Merge pull request 'Fixed Participants' (#314) from s.yahyaee/yara724-api:main into main

Reviewed-on: Yara724/api#314
2026-09-14 14:27:49 +03:30
parent b3a298e254 9930e9ff5b
commit af8bec193b
13 changed files with 518 additions and 199 deletions
--- a/src/case-expert-report/case-expert-report.builder.ts
+++ b/src/case-expert-report/case-expert-report.builder.ts
@@ -4,6 +4,7 @@ import {
 } from "src/helpers/blame-damaged-party";
 import { toJalaliDateAndTime } from "src/helpers/date-jalali";
 import { PartyRole } from "src/request-management/entities/schema/partyRole.enum";
+import { sanitizeStoredInquiryParticipants } from "src/request-management/inquiry-participant-resolver";
 import {
  InsurerFileReportField,
  InsurerFileReportSection,
@@ -611,9 +612,8 @@ function buildParticipantRolesSection(
  title: string,
  party: ReportParty | null | undefined,
 ): InsurerFileReportSection | undefined {
-  const participants = Array.isArray(party?.participants)
-    ? party.participants
-    : [];
+  const participants =
+    sanitizeStoredInquiryParticipants(party?.participants) ?? [];
  const assignments = party?.participantRoles;
  if (!assignments || participants.length === 0) return undefined;

@@ -627,9 +627,7 @@ function buildParticipantRolesSection(
    const participant = participants.find(
      (candidate) => String(candidate.participantId) === String(participantId),
    );
-    const value = participant?.unknown
-      ? PR.unknown
-      : [
+    const value = [
      asString(participant?.fullName),
      participant?.nationalCode
        ? `${PR.nationalCode}: ${asString(participant.nationalCode)}`
--- a/src/case-expert-report/persian-report-labels.ts
+++ b/src/case-expert-report/persian-report-labels.ts
@@ -67,7 +67,6 @@ export const PR = {
  vehicleOwnerRole: "مالک وسیله نقلیه",
  thirdPartyPolicyholderRole: "بیمه‌گذار شخص ثالث",
  carBodyPolicyholderRole: "بیمه‌گذار بدنه",
-  unknown: "نامشخص",
  data: "اطلاعات",
  date: "تاریخ",
  time: "زمان",
--- a/src/common/dto/inquiry-participants.dto.ts
+++ b/src/common/dto/inquiry-participants.dto.ts
@@ -10,7 +10,7 @@ import {
  IsNotEmpty,
  IsOptional,
  IsString,
-  MaxLength,
+  Length,
  ValidateNested,
 } from "class-validator";

@@ -51,14 +51,6 @@ export class InquiryParticipantInputDto {
  @IsEnum(InquiryParticipantRole)
  sameAs?: InquiryParticipantRole;

-  @ApiPropertyOptional({
-    description:
-      "Only for the damaged party's third-party policyholder when the identity is genuinely unknown.",
-  })
-  @IsOptional()
-  @IsBoolean()
-  unknown?: boolean;
-
  @ApiPropertyOptional({ example: "0012345678" })
  @IsOptional()
  @IsString()
@@ -111,10 +103,23 @@ export class InquiryVehicleInputDto {
  @Type(() => InquiryPlateDto)
  previousPlate?: InquiryPlateDto;

-  @ApiPropertyOptional({ maxLength: 17, example: "NAAM01E15HK123456" })
+  @ApiPropertyOptional({
+    description:
+      "National code of the policyholder associated with previousPlate. Required only for RECENTLY_TRANSFERRED vehicles.",
+    example: "0012345678",
+  })
  @IsOptional()
  @IsString()
-  @MaxLength(17)
+  previousPolicyholderNationalCode?: string;
+
+  @ApiPropertyOptional({
+    minLength: 17,
+    maxLength: 17,
+    example: "NAAM01E15HK123456",
+  })
+  @IsOptional()
+  @IsString()
+  @Length(17, 17)
  vin?: string;

  @ApiPropertyOptional({
--- a/src/expert-claim/expert-claim.service.ts
+++ b/src/expert-claim/expert-claim.service.ts
@@ -92,6 +92,7 @@ import { ClaimWorkflowStep } from "src/Types&Enums/claim-request-management/clai
 import { ClaimRequiredDocumentType } from "src/Types&Enums/claim-request-management/required-document-type.enum";
 import { BlameRequestType } from "src/Types&Enums/blame-request-management/blameRequestType.enum";
 import { PartyRole } from "src/request-management/entities/schema/partyRole.enum";
+import { sanitizeStoredInquiryParticipants } from "src/request-management/inquiry-participant-resolver";
 import {
  GetClaimListV2ResponseDto,
  ClaimListItemV2Dto,
@@ -4551,7 +4552,12 @@ export class ExpertClaimService {
    (doc as Record<string, unknown>).updatedAtFormatted =
      `${updatedDate} ${updatedTime}`;

-    docRec.parties = enrichBlamePartiesForAgreementView(docRec);
+    docRec.parties = enrichBlamePartiesForAgreementView(docRec).map(
+      (party) => ({
+        ...party,
+        participants: sanitizeStoredInquiryParticipants(party.participants),
+      }),
+    );

    return docRec;
  }
@@ -4577,7 +4583,11 @@ export class ExpertClaimService {
    if (Array.isArray(parties)) {
      out.parties = parties.map((p: any) =>
        p && typeof p === "object"
-          ? { ...p, vehicle: this.sanitizeVehicleInquiryForApi(p.vehicle) }
+          ? {
+              ...p,
+              participants: sanitizeStoredInquiryParticipants(p.participants),
+              vehicle: this.sanitizeVehicleInquiryForApi(p.vehicle),
+            }
          : p,
      );
    }
--- a/src/expert-insurer/expert-insurer.service.ts
+++ b/src/expert-insurer/expert-insurer.service.ts
@@ -46,6 +46,7 @@ import { toJalaliDateAndTime } from "src/helpers/date-jalali";
 import { enrichBlamePartiesForAgreementView } from "src/helpers/blame-party-agreement-decision";
 import { BlameRequestType } from "src/Types&Enums/blame-request-management/blameRequestType.enum";
 import { PartyRole } from "src/request-management/entities/schema/partyRole.enum";
+import { sanitizeStoredInquiryParticipants } from "src/request-management/inquiry-participant-resolver";
 import { ListQueryV2Dto } from "src/common/dto/list-query-v2.dto";
 import {
  UnifiedFileStatusReportDto,
@@ -449,6 +450,7 @@ export class ExpertInsurerService {
    if (!party || typeof party !== "object") return party;
    return {
      ...party,
+      participants: sanitizeStoredInquiryParticipants(party.participants),
      person: this.mapPersonForInsurer(party.person, clientNames),
      vehicle: this.sanitizeVehicleInquiry(party.vehicle),
    };
--- a/src/request-management/entities/schema/partyRole.enum.ts
+++ b/src/request-management/entities/schema/partyRole.enum.ts
@@ -66,7 +66,6 @@ export class InquiryParticipant {
  @Prop({ type: Boolean }) hasDrivingLicense?: boolean;
  @Prop() licenseNumber?: string;
  @Prop() licenseType?: string;
-  @Prop({ type: Boolean }) unknown?: boolean;
 }
 export const InquiryParticipantSchema =
  SchemaFactory.createForClass(InquiryParticipant);
@@ -94,6 +93,7 @@ export class Vehicle {
  @Prop({ enum: ["CURRENT", "RECENTLY_TRANSFERRED"] })
  registrationState?: "CURRENT" | "RECENTLY_TRANSFERRED";
  @Prop() previousPlateId?: string;
+  @Prop() previousPolicyholderNationalCode?: string;

  /**
   * Full external inquiry payload (Tejarat/SandHub) stored as-is
--- a/src/request-management/entities/schema/request-management.schema.ts
+++ b/src/request-management/entities/schema/request-management.schema.ts
@@ -161,6 +161,7 @@ export class FirstPartyDetail {

  @Prop() registrationState?: string;
  @Prop() previousPlateId?: string;
+  @Prop() previousPolicyholderNationalCode?: string;
  @Prop() vehicleVin?: string;
 }

@@ -209,6 +210,7 @@ export class SecondPartyDetail {

  @Prop() registrationState?: string;
  @Prop() previousPlateId?: string;
+  @Prop() previousPolicyholderNationalCode?: string;
  @Prop() vehicleVin?: string;
 }

--- a/src/request-management/inquiry-participant-persistence.spec.ts
+++ b/src/request-management/inquiry-participant-persistence.spec.ts
@@ -115,4 +115,34 @@ describe("inquiry participant persistence", () => {

    expect(() => (query as any)._castUpdate(query.getUpdate())).not.toThrow();
  });
+
+  it("stores the previous policyholder national code with transferred vehicle data", () => {
+    const BlameRequestModel = model<BlameRequest>(
+      "PreviousPolicyholderPersistenceTest",
+      BlameRequestSchema,
+    );
+    const request = new BlameRequestModel({
+      requestNo: "BL-PREVIOUS-POLICYHOLDER",
+      publicId: "PREVIOUS-POLICYHOLDER",
+      type: BlameRequestType.THIRD_PARTY,
+      parties: [
+        {
+          role: PartyRole.FIRST,
+          person: {},
+          vehicle: {
+            plateId: "22-44-ب-111",
+            previousPlateId: "33-55-ج-222",
+            previousPolicyholderNationalCode: "0098765432",
+            registrationState: "RECENTLY_TRANSFERRED",
+            vin: "NAAM01E15HK123456",
+          },
+        },
+      ],
+    });
+
+    expect(request.validateSync()).toBeUndefined();
+    expect(request.parties[0].vehicle?.previousPolicyholderNationalCode).toBe(
+      "0098765432",
+    );
+  });
 });
--- a/src/request-management/inquiry-participant-resolver.spec.ts
+++ b/src/request-management/inquiry-participant-resolver.spec.ts
@@ -14,6 +14,7 @@ import {
  resolveInquirySubjects,
  resolveInquiryVehicle,
  runPlateInquiryWithFallback,
+  sanitizeStoredInquiryParticipants,
  vehiclePlateCandidates,
 } from "./inquiry-participant-resolver";

@@ -55,6 +56,27 @@ describe("inquiry participant resolver", () => {
    ).toThrow(BadRequestException);
  });

+  it("requires the previous policyholder national code for a recent transfer", () => {
+    expect(() =>
+      resolveInquiryVehicle({
+        registrationState: VehicleRegistrationState.RECENTLY_TRANSFERRED,
+        currentPlate: {
+          leftDigits: "44",
+          centerAlphabet: "ب",
+          centerDigits: "111",
+          ir: "22",
+        },
+        previousPlate: {
+          leftDigits: "55",
+          centerAlphabet: "ج",
+          centerDigits: "222",
+          ir: "33",
+        },
+        vin: "NAAM01E15HK123456",
+      }),
+    ).toThrow("previousPolicyholderNationalCode");
+  });
+
  it("defaults an omitted registration state to CURRENT", () => {
    expect(
      resolveInquiryVehicle({
@@ -68,6 +90,75 @@ describe("inquiry participant resolver", () => {
    ).toBe(VehicleRegistrationState.CURRENT);
  });

+  it("requires an exact 17-character VIN whenever VIN is provided", () => {
+    expect(() =>
+      resolveInquiryVehicle({
+        registrationState: VehicleRegistrationState.CURRENT,
+        currentPlate: {
+          leftDigits: "44",
+          centerAlphabet: "ب",
+          centerDigits: "111",
+          ir: "22",
+        },
+        vin: "TOO-SHORT",
+      }),
+    ).toThrow("vehicle.vin must contain exactly 17 characters.");
+  });
+
+  it("rejects an incomplete current plate", () => {
+    expect(() =>
+      resolveInquiryVehicle({
+        currentPlate: {
+          leftDigits: "44",
+          centerAlphabet: "ب",
+          centerDigits: "",
+          ir: "22",
+        },
+      }),
+    ).toThrow("vehicle.currentPlate.centerDigits is required.");
+  });
+
+  it("rejects invalid vehicle choice values", () => {
+    expect(() =>
+      resolveInquiryVehicle({
+        registrationState: "SOLD" as any,
+        currentPlate: {
+          leftDigits: "44",
+          centerAlphabet: "ب",
+          centerDigits: "111",
+          ir: "22",
+        },
+      }),
+    ).toThrow("vehicle.registrationState must be CURRENT or RECENTLY_TRANSFERRED.");
+
+    expect(() =>
+      resolveInquiryVehicle({
+        currentPlate: {
+          leftDigits: "44",
+          centerAlphabet: "ب",
+          centerDigits: "111",
+          ir: "22",
+        },
+        isNewCar: "false" as any,
+      }),
+    ).toThrow("vehicle.isNewCar must be a boolean.");
+  });
+
+  it("rejects a previous policyholder national code for a current registration", () => {
+    expect(() =>
+      resolveInquiryVehicle({
+        registrationState: VehicleRegistrationState.CURRENT,
+        currentPlate: {
+          leftDigits: "44",
+          centerAlphabet: "ب",
+          centerDigits: "111",
+          ir: "22",
+        },
+        previousPolicyholderNationalCode: "0098765432",
+      }),
+    ).toThrow(BadRequestException);
+  });
+
  it("rejects the removed flat inquiry contract", () => {
    expect(() =>
      resolveInquiryParticipants(BlameRequestType.THIRD_PARTY, {
@@ -238,6 +329,7 @@ describe("inquiry participant resolver", () => {
        currentPlate,
        previousPlate,
        vin: "NAAM01E15HK123456",
+        previousPolicyholderNationalCode: "0098765432",
      }),
    ).toEqual([
      { kind: "CURRENT", plate: currentPlate },
@@ -293,6 +385,7 @@ describe("inquiry participant resolver", () => {
        currentPlate,
        previousPlate,
        vin: "NAAM01E15HK123456",
+        previousPolicyholderNationalCode: "0098765432",
      },
      fallbackCurrentPlate: currentPlate,
      query,
@@ -301,6 +394,8 @@ describe("inquiry participant resolver", () => {
    });

    expect(query).toHaveBeenCalledTimes(2);
+    expect(query).toHaveBeenNthCalledWith(1, currentPlate, "CURRENT");
+    expect(query).toHaveBeenNthCalledWith(2, previousPlate, "PREVIOUS");
    expect(result.plateKind).toBe("PREVIOUS");
    expect(result.attempts).toMatchObject([
      { plateKind: "CURRENT", succeeded: false, error: "not found" },
@@ -449,6 +544,7 @@ describe("inquiry participant resolver", () => {
        currentPlate,
        previousPlate,
        vin: "NAAM01E15HK123456",
+        previousPolicyholderNationalCode: "0098765432",
      }),
      fallbackCurrentPlate: currentPlate,
      query,
@@ -487,6 +583,7 @@ describe("inquiry participant resolver", () => {
          currentPlate,
          previousPlate,
          vin: "NAAM01E15HK123456",
+          previousPolicyholderNationalCode: "0098765432",
        }),
        fallbackCurrentPlate: currentPlate,
        query: async () => ({ mapped: { CompanyName: "پارسیان" } }),
@@ -526,6 +623,7 @@ describe("inquiry participant resolver", () => {
            ir: "33",
          },
          vin: "NAAM01E15HK123456",
+          previousPolicyholderNationalCode: "0098765432",
        }),
        fallbackCurrentPlate: currentPlate,
        query,
@@ -536,7 +634,7 @@ describe("inquiry participant resolver", () => {
    expect(query).toHaveBeenCalledTimes(1);
  });

-  it("allows an explicitly unknown policyholder only for a damaged-party submission", () => {
+  it("rejects the removed unknown policyholder option", () => {
    const input = {
      driver: {
        nationalCode: "0012345678",
@@ -548,19 +646,24 @@ describe("inquiry participant resolver", () => {
    };

    expect(() =>
-      resolveInquiryParticipants(BlameRequestType.THIRD_PARTY, input),
-    ).toThrow(BadRequestException);
+      resolveInquiryParticipants(BlameRequestType.THIRD_PARTY, input as any),
+    ).toThrow("THIRD_PARTY_POLICYHOLDER does not support the unknown option.");
+  });

-    const resolved = resolveInquiryParticipants(
-      BlameRequestType.THIRD_PARTY,
-      input,
-      { allowUnknownThirdPartyPolicyholder: true },
-    );
+  it("strips the removed unknown field from historical participant output", () => {
    expect(
-      participantForRole(
-        resolved,
-        InquiryParticipantRole.THIRD_PARTY_POLICYHOLDER,
-      ),
-    ).toMatchObject({ unknown: true });
+      sanitizeStoredInquiryParticipants([
+        {
+          participantId: "THIRD_PARTY_POLICYHOLDER",
+          nationalCode: "0012345678",
+          unknown: true,
+        },
+      ]),
+    ).toEqual([
+      {
+        participantId: "THIRD_PARTY_POLICYHOLDER",
+        nationalCode: "0012345678",
+      },
+    ]);
  });
 });
--- a/src/request-management/inquiry-participant-resolver.ts
+++ b/src/request-management/inquiry-participant-resolver.ts
@@ -18,11 +18,6 @@ export interface ResolvedInquiryParticipant {
  hasDrivingLicense?: boolean;
  licenseNumber?: string;
  licenseType?: string;
-  unknown?: boolean;
-}
-
-export interface InquiryParticipantResolutionOptions {
-  allowUnknownThirdPartyPolicyholder?: boolean;
 }

 export interface InquiryParticipantRoleAssignments {
@@ -96,6 +91,22 @@ export type ResolvedInquiryVehicle = InquiryVehicleInputDto & {
  registrationState: VehicleRegistrationState;
 };

+function assertCompleteInquiryPlate(
+  plate: InquiryVehicleInputDto["currentPlate"],
+  path: "vehicle.currentPlate" | "vehicle.previousPlate",
+): void {
+  for (const field of [
+    "leftDigits",
+    "centerAlphabet",
+    "centerDigits",
+    "ir",
+  ] as const) {
+    if (plate?.[field] == null || String(plate[field]).trim() === "") {
+      throw new BadRequestException(`${path}.${field} is required.`);
+    }
+  }
+}
+
 export function participantForRole(
  resolved: ResolvedInquiryParticipants,
  role: InquiryParticipantRole,
@@ -127,6 +138,23 @@ export function participantForStoredPartyRole(
  );
 }

+/** Remove fields retired from the participant contract from historical records. */
+export function sanitizeStoredInquiryParticipants(
+  participants: unknown,
+): Array<Record<string, any>> | undefined {
+  if (!Array.isArray(participants)) return undefined;
+  return participants.map((participant) => {
+    const plain =
+      participant &&
+      typeof participant === "object" &&
+      typeof (participant as { toObject?: unknown }).toObject === "function"
+        ? (participant as { toObject: () => Record<string, any> }).toObject()
+        : { ...(participant as Record<string, any>) };
+    delete plain.unknown;
+    return plain;
+  });
+}
+
 const ROLE_FIELDS: Record<
  InquiryParticipantRole,
  keyof InquiryParticipantFieldsDto
@@ -185,7 +213,6 @@ function requiredIdentity(
 export function resolveInquiryParticipants(
  caseType: BlameRequestType,
  input: Partial<InquiryParticipantFieldsDto> & Record<string, any>,
-  options: InquiryParticipantResolutionOptions = {},
 ): ResolvedInquiryParticipants {
  assertStructuredInquiryInput(input);
  const hasRoleCompleteInput = Object.values(ROLE_FIELDS).some(
@@ -232,32 +259,7 @@ export function resolveInquiryParticipants(

    resolving.add(role);
    let participantId: string;
-    if (
-      role === InquiryParticipantRole.THIRD_PARTY_POLICYHOLDER &&
-      value.unknown === true
-    ) {
-      if (!options.allowUnknownThirdPartyPolicyholder) {
-        throw new BadRequestException(
-          "An unknown third-party policyholder is allowed only for the damaged party.",
-        );
-      }
-      const hasIdentityFields = Object.entries(value).some(
-        ([field, fieldValue]) => field !== "unknown" && fieldValue != null,
-      );
-      if (hasIdentityFields) {
-        throw new BadRequestException(
-          `${role} must contain either unknown=true or person fields, not both.`,
-        );
-      }
-      const participant: ResolvedInquiryParticipant = {
-        participantId: role,
-        nationalCode: "",
-        birthday: "",
-        unknown: true,
-      };
-      participants.set(participant.participantId, participant);
-      participantId = participant.participantId;
-    } else if (value.unknown != null) {
+    if (Object.prototype.hasOwnProperty.call(value, "unknown")) {
      throw new BadRequestException(
        `${role} does not support the unknown option.`,
      );
@@ -314,28 +316,59 @@ export function resolveInquiryParticipants(
 export function resolveInquiryVehicle(
  input: InquiryVehicleInputDto,
 ): ResolvedInquiryVehicle {
+  if (!input) {
+    throw new BadRequestException("vehicle is required.");
+  }
  const registrationState =
    input.registrationState ?? VehicleRegistrationState.CURRENT;
+  if (!Object.values(VehicleRegistrationState).includes(registrationState)) {
+    throw new BadRequestException(
+      "vehicle.registrationState must be CURRENT or RECENTLY_TRANSFERRED.",
+    );
+  }
+  if (input.isNewCar != null && typeof input.isNewCar !== "boolean") {
+    throw new BadRequestException("vehicle.isNewCar must be a boolean.");
+  }
+  const previousPolicyholderNationalCode = String(
+    input.previousPolicyholderNationalCode ?? "",
+  ).trim();
  if (!input.currentPlate) {
    throw new BadRequestException("vehicle.currentPlate is required.");
  }
+  assertCompleteInquiryPlate(input.currentPlate, "vehicle.currentPlate");
+  const vin = String(input.vin ?? "").trim();
+  if (vin && vin.length !== 17) {
+    throw new BadRequestException(
+      "vehicle.vin must contain exactly 17 characters.",
+    );
+  }
  if (
    registrationState === VehicleRegistrationState.RECENTLY_TRANSFERRED &&
-    (!input.previousPlate || !String(input.vin ?? "").trim())
+    (!input.previousPlate || !vin || !previousPolicyholderNationalCode)
  ) {
    throw new BadRequestException(
-      "RECENTLY_TRANSFERRED requires previousPlate and vin.",
+      "RECENTLY_TRANSFERRED requires previousPlate, vin, and previousPolicyholderNationalCode.",
    );
  }
  if (
    registrationState !== VehicleRegistrationState.RECENTLY_TRANSFERRED &&
-    input.previousPlate
+    (input.previousPlate || input.previousPolicyholderNationalCode != null)
  ) {
    throw new BadRequestException(
-      "previousPlate is only allowed for RECENTLY_TRANSFERRED vehicles.",
+      "previousPlate and previousPolicyholderNationalCode are only allowed for RECENTLY_TRANSFERRED vehicles.",
    );
  }
-  return { ...input, registrationState };
+  if (input.previousPlate) {
+    assertCompleteInquiryPlate(input.previousPlate, "vehicle.previousPlate");
+  }
+  return {
+    ...input,
+    registrationState,
+    ...(vin ? { vin } : {}),
+    ...(previousPolicyholderNationalCode
+      ? { previousPolicyholderNationalCode }
+      : {}),
+  };
 }

 export function vehiclePlateCandidates(input?: ResolvedInquiryVehicle): Array<{
@@ -459,7 +492,10 @@ export function isPolicyNotFoundError(error: unknown): boolean {
 export async function runPlateInquiryWithFallback<T>(options: {
  vehicle?: ResolvedInquiryVehicle;
  fallbackCurrentPlate: InquiryVehicleInputDto["currentPlate"];
-  query: (plate: InquiryVehicleInputDto["currentPlate"]) => Promise<T>;
+  query: (
+    plate: InquiryVehicleInputDto["currentPlate"],
+    plateKind: "CURRENT" | "PREVIOUS",
+  ) => Promise<T>;
  isUsable: (value: T) => boolean;
  mappedValue: (value: T) => Record<string, any>;
  shouldFallbackOnError?: (error: unknown) => boolean;
@@ -492,7 +528,7 @@ export async function runPlateInquiryWithFallback<T>(options: {
    const candidate = candidates[index];
    const isLast = index === candidates.length - 1;
    try {
-      const value = await options.query(candidate.plate);
+      const value = await options.query(candidate.plate, candidate.kind);
      const usable = options.isUsable(value);
      if (!usable) {
        attempts.push({
@@ -562,13 +598,8 @@ export async function runPlateInquiryWithFallback<T>(options: {
 export function normalizeInquirySubmission<T extends Record<string, any>>(
  caseType: BlameRequestType,
  input: T,
-  options: InquiryParticipantResolutionOptions = {},
 ): NormalizedInquirySubmission<T> {
-  const participants = resolveInquiryParticipants(
-    caseType,
-    input as any,
-    options,
-  );
+  const participants = resolveInquiryParticipants(caseType, input as any);
  const driver = participantForRole(
    participants,
    InquiryParticipantRole.DRIVER,
--- a/src/request-management/request-management.damaged-inquiry.spec.ts
+++ b/src/request-management/request-management.damaged-inquiry.spec.ts
@@ -0,0 +1,44 @@
+import { RequestManagementService } from "./request-management.service";
+
+describe("damaged-party inquiry requirements", () => {
+  const getService = () => {
+    const service = Object.create(
+      RequestManagementService.prototype,
+    ) as RequestManagementService;
+    (service as any).sandHubService = {
+      getShebaValidation: jest.fn().mockResolvedValue({ valid: true }),
+    };
+    return service;
+  };
+
+  it("requires Sheba when the claimant/damaged-party validation runs", async () => {
+    const service = getService();
+
+    await expect(
+      (service as any).validateShebaV3(
+        undefined,
+        "0012345678",
+        "client-id",
+      ),
+    ).rejects.toThrow("sheba is required for the damaged party.");
+    expect(
+      (service as any).sandHubService.getShebaValidation,
+    ).not.toHaveBeenCalled();
+  });
+
+  it("validates damaged-party Sheba against the vehicle owner's national code", async () => {
+    const service = getService();
+
+    await (service as any).validateShebaV3(
+      "IR123456789012345678901234",
+      "0012345678",
+      "client-id",
+    );
+
+    expect(
+      (service as any).sandHubService.getShebaValidation,
+    ).toHaveBeenCalledWith("0012345678", "IR123456789012345678901234", {
+      clientId: "client-id",
+    });
+  });
+});
--- a/src/request-management/request-management.previous-policyholder.spec.ts
+++ b/src/request-management/request-management.previous-policyholder.spec.ts
@@ -0,0 +1,130 @@
+import { BlameRequestType } from "src/Types&Enums/blame-request-management/blameRequestType.enum";
+import { RequestManagementService } from "./request-management.service";
+
+describe("RequestManagementService previous policyholder routing", () => {
+  const currentPlate = {
+    leftDigits: "44",
+    centerAlphabet: "ب",
+    centerDigits: "111",
+    ir: "22",
+  };
+  const previousPlate = {
+    leftDigits: "55",
+    centerAlphabet: "ج",
+    centerDigits: "222",
+    ir: "33",
+  };
+  const vehicle = {
+    registrationState: "RECENTLY_TRANSFERRED",
+    currentPlate,
+    previousPlate,
+    previousPolicyholderNationalCode: "0098765432",
+    vin: "NAAM01E15HK123456",
+  };
+
+  function participantInput(caseType: BlameRequestType) {
+    return {
+      driver: {
+        nationalCode: "0011111111",
+        birthday: "1370/01/01",
+        hasDrivingLicense: false,
+      },
+      vehicleOwner: { sameAs: "DRIVER" },
+      thirdPartyPolicyholder: {
+        nationalCode: "0022222222",
+        birthday: "1360/02/02",
+      },
+      ...(caseType === BlameRequestType.CAR_BODY
+        ? {
+            carBodyPolicyholder: {
+              nationalCode: "0033333333",
+              birthday: "1350/03/03",
+            },
+          }
+        : {}),
+      vehicle,
+    };
+  }
+
+  it("uses the previous code only for the previous-plate third-party lookup", async () => {
+    const service = Object.create(RequestManagementService.prototype) as any;
+    service.sandHubService = {
+      getTejaratBlockInquiry: jest
+        .fn()
+        .mockResolvedValueOnce({ raw: {}, mapped: {} })
+        .mockResolvedValueOnce({
+          raw: {},
+          mapped: {
+            CompanyName: "پارسیان",
+            VinNumberField: vehicle.vin,
+          },
+        }),
+    };
+    const submission = service.normalizeInquiryInput(
+      BlameRequestType.THIRD_PARTY,
+      participantInput(BlameRequestType.THIRD_PARTY),
+    );
+
+    const result = await service.getThirdPartyPlateInquiry(submission);
+
+    expect(result.plateKind).toBe("PREVIOUS");
+    expect(
+      service.sandHubService.getTejaratBlockInquiry,
+    ).toHaveBeenNthCalledWith(
+      1,
+      expect.objectContaining({
+        plate: currentPlate,
+        nationalCodeOfInsurer: "0022222222",
+      }),
+      undefined,
+    );
+    expect(
+      service.sandHubService.getTejaratBlockInquiry,
+    ).toHaveBeenNthCalledWith(
+      2,
+      expect.objectContaining({
+        plate: previousPlate,
+        nationalCodeOfInsurer: "0098765432",
+      }),
+      undefined,
+    );
+  });
+
+  it("uses the previous code only for the previous-plate car-body lookup", async () => {
+    const service = Object.create(RequestManagementService.prototype) as any;
+    service.sandHubService = {
+      getCarBodyInquiry: jest
+        .fn()
+        .mockResolvedValueOnce({ raw: {}, mapped: {} })
+        .mockResolvedValueOnce({
+          raw: {},
+          mapped: {
+            policyNumber: "BODY-1",
+            VinNumberField: vehicle.vin,
+          },
+        }),
+    };
+    const submission = service.normalizeInquiryInput(
+      BlameRequestType.CAR_BODY,
+      participantInput(BlameRequestType.CAR_BODY),
+    );
+
+    const result = await service.getCarBodyPlateInquiry(submission);
+
+    expect(result.plateKind).toBe("PREVIOUS");
+    expect(service.sandHubService.getCarBodyInquiry).toHaveBeenNthCalledWith(
+      1,
+      expect.objectContaining({
+        plate: currentPlate,
+        nationalCodeOfInsurer: "0033333333",
+      }),
+    );
+    expect(service.sandHubService.getCarBodyInquiry).toHaveBeenNthCalledWith(
+      2,
+      expect.objectContaining({
+        plate: previousPlate,
+        nationalCodeOfInsurer: "0098765432",
+      }),
+    );
+  });
+});
--- a/src/request-management/request-management.service.ts
+++ b/src/request-management/request-management.service.ts
@@ -130,6 +130,7 @@ import {
  normalizeInquirySubmission,
  resolveInquirySubjects,
  runPlateInquiryWithFallback,
+  sanitizeStoredInquiryParticipants,
 } from "./inquiry-participant-resolver";

 /**
@@ -311,12 +312,8 @@ export class RequestManagementService {
  private normalizeInquiryInput<T extends Record<string, any>>(
    type: BlameRequestType,
    input: T,
-    partyRole?: PartyRole,
  ): NormalizedInquirySubmission<T> {
-    return normalizeInquirySubmission(type, input, {
-      allowUnknownThirdPartyPolicyholder:
-        type === BlameRequestType.THIRD_PARTY && partyRole === PartyRole.SECOND,
-    });
+    return normalizeInquirySubmission(type, input);
  }

  private applyInquiryParticipantsToParty(
@@ -334,6 +331,8 @@ export class RequestManagementService {
      party.vehicle.previousPlateId = submission.vehicle.previousPlate
        ? this.plateToPlateIdString(submission.vehicle.previousPlate)
        : undefined;
+      party.vehicle.previousPolicyholderNationalCode =
+        submission.vehicle.previousPolicyholderNationalCode;
      if (submission.vehicle.vin) party.vehicle.vin = submission.vehicle.vin;
    }
  }
@@ -354,24 +353,18 @@ export class RequestManagementService {
    submission: NormalizedInquirySubmission<Record<string, any>>,
    options?: Record<string, any>,
  ): Promise<any> {
-    if (submission.thirdPartyPolicyholder.unknown) {
-      return {
-        raw: null,
-        mapped: {},
-        skipped: true,
-        plateKind: "CURRENT",
-        attempts: [],
-      };
-    }
    const subjects = resolveInquirySubjects(submission);
    const result = await runPlateInquiryWithFallback({
      vehicle: submission.vehicle,
      fallbackCurrentPlate: submission.dto.plate,
-      query: (plate) =>
+      query: (plate, plateKind) =>
        this.sandHubService.getTejaratBlockInquiry(
          {
            plate: plate as any,
-            nationalCodeOfInsurer: subjects.thirdPartyPolicyNationalCode,
+            nationalCodeOfInsurer:
+              plateKind === "PREVIOUS"
+                ? submission.vehicle!.previousPolicyholderNationalCode!
+                : subjects.thirdPartyPolicyNationalCode,
          },
          options,
        ),
@@ -401,9 +394,12 @@ export class RequestManagementService {
    const result = await runPlateInquiryWithFallback({
      vehicle: submission.vehicle,
      fallbackCurrentPlate: submission.dto.plate,
-      query: (plate) =>
+      query: (plate, plateKind) =>
        this.sandHubService.getCarBodyInquiry({
-          nationalCodeOfInsurer: policyholderNationalCode,
+          nationalCodeOfInsurer:
+            plateKind === "PREVIOUS"
+              ? submission.vehicle!.previousPolicyholderNationalCode!
+              : policyholderNationalCode,
          plate: plate as any,
        }),
      isUsable: (value) =>
@@ -435,9 +431,6 @@ export class RequestManagementService {
        "vehicle.vin is required for a VIN/chassis inquiry.",
      );
    }
-    if (submission.thirdPartyPolicyholder.unknown) {
-      return { raw: null, mapped: {}, skipped: true };
-    }
    const subjects = resolveInquirySubjects(submission);
    const result = await this.sandHubService.getPolicyByChassisInquiry(
      {
@@ -446,7 +439,7 @@ export class RequestManagementService {
      },
      options,
    );
-    return { ...result, skipped: false };
+    return result;
  }

  private async runParticipantPersonalInquiries(
@@ -457,9 +450,7 @@ export class RequestManagementService {
  ): Promise<void> {
    const participants = submission.participants.legacy
      ? [submission.thirdPartyPolicyholder]
-      : submission.participants.participants.filter(
-          (participant) => !participant.unknown,
-        );
+      : submission.participants.participants;
    const results: Record<string, unknown> = {};

    for (const participant of participants) {
@@ -598,7 +589,6 @@ export class RequestManagementService {

    const personal: Record<string, unknown> = {};
    for (const participant of submission.participants.participants) {
-      if (participant.unknown) continue;
      personal[participant.participantId] =
        await this.sandHubService.getPersonalInquiry(
          participant.nationalCode,
@@ -664,6 +654,8 @@ export class RequestManagementService {
            [`${prefix}.previousPlateId`]: submission.vehicle?.previousPlate
              ? this.plateToPlateIdString(submission.vehicle.previousPlate)
              : undefined,
+            [`${prefix}.previousPolicyholderNationalCode`]:
+              submission.vehicle?.previousPolicyholderNationalCode,
            [`${prefix}.vehicleVin`]: submission.vehicle?.vin,
            [`${prefix}.policyInquiry`]: audit,
          },
@@ -1732,12 +1724,9 @@ export class RequestManagementService {
      const inquirySubmission = this.normalizeInquiryInput(
        req.type,
        body,
-        role,
      );
      body = inquirySubmission.dto as unknown as AddPlateDto;
      this.applyInquiryParticipantsToParty(party, inquirySubmission);
-      const policyholderUnknown =
-        inquirySubmission.thirdPartyPolicyholder.unknown === true;

      // Validation: driver/insurer sameness rules
      if (body.driverIsInsurer === false) {
@@ -1801,19 +1790,13 @@ export class RequestManagementService {
          req,
          "thirdParty",
          role,
-          !inquiry.skipped,
+          true,
          {
            source: inquirySource,
            plateKind: inquiry.plateKind,
            attempts: inquiry.attempts,
            raw: inquiryRaw,
            mapped: inquiryMapped,
-            ...(inquiry.skipped
-              ? {
-                  skipped: true,
-                  reason: "Third-party policyholder is unknown",
-                }
-              : {}),
          },
        );
        if (inquiry.offline?.fanavaranDriverId != null) {
@@ -1882,7 +1865,7 @@ export class RequestManagementService {

      // Find client by company code
      const clientName = inquiryMapped?.CompanyName;
-      if (!clientName && !policyholderUnknown) {
+      if (!clientName) {
        const error = new BadRequestException(
          `CompanyName missing from inquiry response`,
        );
@@ -2183,13 +2166,10 @@ export class RequestManagementService {
      const inquirySubmission = this.normalizeInquiryInput(
        req.type,
        body,
-        role,
      );
      body = inquirySubmission.dto as unknown as InitialFormVinDto;
      const subjects = resolveInquirySubjects(inquirySubmission);
      this.applyInquiryParticipantsToParty(party, inquirySubmission);
-      const policyholderUnknown =
-        inquirySubmission.thirdPartyPolicyholder.unknown === true;

      // Validation: driver/insurer sameness rules (identical to plate path)
      if (body.driverIsInsurer === false) {
@@ -2246,17 +2226,11 @@ export class RequestManagementService {
          req,
          "thirdParty",
          role,
-          !inquiry.skipped,
+          true,
          {
            source: "ESG_VIN_INQUIRY",
            raw: inquiryRaw,
            mapped: inquiryMapped,
-            ...(inquiry.skipped
-              ? {
-                  skipped: true,
-                  reason: "Third-party policyholder is unknown",
-                }
-              : {}),
          },
        );
      } catch (err: any) {
@@ -2319,7 +2293,7 @@ export class RequestManagementService {

      // Resolve insurer client from inquiry response
      const clientName = inquiryMapped?.CompanyName;
-      if (!clientName && !policyholderUnknown) {
+      if (!clientName) {
        const error = new BadRequestException(
          "CompanyName missing from VIN inquiry response",
        );
@@ -3482,8 +3456,6 @@ export class RequestManagementService {
    const clientName = sandHubReport?.CompanyName;
    const companyCode = sandHubReport?.CompanyCode;

-    const policyholderUnknown =
-      inquirySubmission?.thirdPartyPolicyholder.unknown === true;
    const client = clientName
      ? await this.clientService.findOrCreateClientByCompanyCode(
          companyCode,
@@ -3491,7 +3463,7 @@ export class RequestManagementService {
        )
      : null;

-    if (!client && !policyholderUnknown) {
+    if (!client) {
      throw new HttpException("Client not found", HttpStatus.CONFLICT);
    }

@@ -3529,9 +3501,7 @@ export class RequestManagementService {
        plate: body.plate,
        nationalCode: body.nationalCodeOfInsurer,
      };
-      const sandHubDoc = policyInquiry?.skipped
-        ? null
-        : await this.sandHubService.sandHubDocumentCreator(
+      const sandHubDoc = await this.sandHubService.sandHubDocumentCreator(
        user.sub,
        request["_doc"]._id,
        sandHubDocData,
@@ -3592,6 +3562,8 @@ export class RequestManagementService {
          ?.previousPlate
          ? this.plateToPlateIdString(inquirySubmission.vehicle.previousPlate)
          : undefined;
+        setFields[`${partyDetails}.previousPolicyholderNationalCode`] =
+          inquirySubmission.vehicle?.previousPolicyholderNationalCode;
        setFields[`${partyDetails}.vehicleVin`] =
          inquirySubmission.vehicle?.vin;
      }
@@ -3704,7 +3676,6 @@ export class RequestManagementService {
    const inquirySubmission = this.normalizeInquiryInput(
      request.type as BlameRequestType,
      body,
-      partyRole,
    );
    body = inquirySubmission.dto as unknown as AddPlateDto;

@@ -6641,7 +6612,6 @@ export class RequestManagementService {
          participantId: participant.participantId,
          fullName: participant.fullName,
          hasDrivingLicense: participant.hasDrivingLicense,
-          unknown: participant.unknown,
        }))
      : undefined;
    const evidenceRaw = party.evidence as Record<string, unknown> | undefined;
@@ -6951,7 +6921,6 @@ export class RequestManagementService {
    const inquirySubmission = this.normalizeInquiryInput(
      req.type,
      formData.firstPartyPlate,
-      PartyRole.FIRST,
    );
    this.recordInquiryParticipantContext(
      req,
@@ -7139,6 +7108,8 @@ export class RequestManagementService {
        previousPlateId: inquirySubmission.vehicle?.previousPlate
          ? this.plateToPlateIdString(inquirySubmission.vehicle.previousPlate)
          : undefined,
+        previousPolicyholderNationalCode:
+          inquirySubmission.vehicle?.previousPolicyholderNationalCode,
        vin: inquirySubmission.vehicle?.vin,
        inquiry: {
          ...sandHubReport,
@@ -7279,7 +7250,6 @@ export class RequestManagementService {
      const inquirySubmission = this.normalizeInquiryInput(
        req.type,
        plateDto,
-        role,
      );
      this.recordInquiryParticipantContext(req, role, inquirySubmission);
      const existingPartyIndex = this.getPartyIndex(req, role);
@@ -7290,8 +7260,6 @@ export class RequestManagementService {
        );
      }
      plateDto = inquirySubmission.dto;
-      const policyholderUnknown =
-        inquirySubmission.thirdPartyPolicyholder.unknown === true;
      let inquiry: any;
      try {
        if (inquirySubmission.participants.legacy) {
@@ -7332,19 +7300,13 @@ export class RequestManagementService {
        req,
        "thirdParty",
        role,
-        !inquiry.skipped,
+        true,
        {
          source: inquiry.offline?.source ?? "TEJARAT_BLOCK_INQUIRY",
          plateKind: inquiry.plateKind,
          attempts: inquiry.attempts,
          raw: inquiry.raw,
          mapped: inquiry.mapped,
-          ...(inquiry.skipped
-            ? {
-                skipped: true,
-                reason: "Third-party policyholder is unknown",
-              }
-            : {}),
        },
      );
      const clientName =
@@ -7358,7 +7320,7 @@ export class RequestManagementService {
            )
          : await this.clientService.findOne({ clientName })
        : null;
-      if (!client && !policyholderUnknown) {
+      if (!client) {
        const error = new NotFoundException(
          `Client not found for company: ${clientName}`,
        );
@@ -7434,6 +7396,8 @@ export class RequestManagementService {
          previousPlateId: inquirySubmission.vehicle?.previousPlate
            ? this.plateToPlateIdString(inquirySubmission.vehicle.previousPlate)
            : undefined,
+          previousPolicyholderNationalCode:
+            inquirySubmission.vehicle?.previousPolicyholderNationalCode,
          vin: inquirySubmission.vehicle?.vin,
          inquiry: sandHubReport,
        },
@@ -8071,7 +8035,6 @@ export class RequestManagementService {
      const firstInquirySubmission = this.normalizeInquiryInput(
        BlameRequestType.THIRD_PARTY,
        formData.firstPartyPlate,
-        PartyRole.FIRST,
      );
      const firstPartyPlate = firstInquirySubmission.dto;
      let firstPolicyInquiry: any;
@@ -8179,6 +8142,8 @@ export class RequestManagementService {
                firstInquirySubmission.vehicle.previousPlate,
              )
            : undefined;
+          firstPartyDetails.previousPolicyholderNationalCode =
+            firstInquirySubmission.vehicle?.previousPolicyholderNationalCode;
          firstPartyDetails.vehicleVin = firstInquirySubmission.vehicle?.vin;
        }

@@ -8209,7 +8174,6 @@ export class RequestManagementService {
      const secondInquirySubmission = this.normalizeInquiryInput(
        BlameRequestType.THIRD_PARTY,
        formData.secondParty.plate,
-        PartyRole.SECOND,
      );
      let secondPolicyInquiry: any;
      try {
@@ -8243,8 +8207,6 @@ export class RequestManagementService {
        const companyCode = sandHubReport?.CompanyCode;

        // Try to find client by company code first (more reliable)
-        const policyholderUnknown =
-          secondInquirySubmission.thirdPartyPolicyholder.unknown === true;
        const client = clientName
          ? companyCode
            ? await this.clientService.findOrCreateClientByCompanyCode(
@@ -8254,7 +8216,7 @@ export class RequestManagementService {
            : await this.clientService.findOne({ clientName: clientName })
          : null;

-        if (!client && !policyholderUnknown) {
+        if (!client) {
          const error = new NotFoundException(
            `Client not found for company: ${clientName}${companyCode ? ` (code: ${companyCode})` : ""}`,
          );
@@ -8319,6 +8281,8 @@ export class RequestManagementService {
                secondInquirySubmission.vehicle.previousPlate,
              )
            : undefined;
+          secondPartyDetails.previousPolicyholderNationalCode =
+            secondInquirySubmission.vehicle?.previousPolicyholderNationalCode;
          secondPartyDetails.vehicleVin = secondInquirySubmission.vehicle?.vin;
        }

@@ -8554,7 +8518,6 @@ export class RequestManagementService {
      const firstInquirySubmission = this.normalizeInquiryInput(
        BlameRequestType.CAR_BODY,
        formData.firstPartyPlate,
-        PartyRole.FIRST,
      );
      const firstPartyPlate = firstInquirySubmission.dto;
      let thirdPartyPolicyInquiry: any;
@@ -8687,6 +8650,8 @@ export class RequestManagementService {
                firstInquirySubmission.vehicle.previousPlate,
              )
            : undefined;
+          firstPartyDetails.previousPolicyholderNationalCode =
+            firstInquirySubmission.vehicle?.previousPolicyholderNationalCode;
          firstPartyDetails.vehicleVin = firstInquirySubmission.vehicle?.vin;
        }
        firstPartyDetails.firstPartyClient.clientId =
@@ -9805,13 +9770,10 @@ export class RequestManagementService {
    const inquirySubmission = this.normalizeInquiryInput(
      req.type,
      partyData,
-      partyRole,
    );
    partyData = inquirySubmission.dto as RunInquiriesV3Dto;
    const subjects = resolveInquirySubjects(inquirySubmission);
    this.applyInquiryParticipantsToParty(party, inquirySubmission);
-    const policyholderUnknown =
-      inquirySubmission.thirdPartyPolicyholder.unknown === true;
    const roleLabel = partyRole === PartyRole.FIRST ? "FIRST" : "SECOND";
    let clientId: string | undefined;
    const inquiryOptions = (cid?: string) =>
@@ -9838,19 +9800,13 @@ export class RequestManagementService {
        req,
        "thirdParty",
        partyRole,
-        !inquiry.skipped,
+        true,
        {
          source: inquirySource,
          plateKind: inquiry.plateKind,
          attempts: inquiry.attempts,
          raw: inquiryRaw,
          mapped: inquiryMapped,
-          ...(inquiry.skipped
-            ? {
-                skipped: true,
-                reason: "Third-party policyholder is unknown",
-              }
-            : {}),
        },
      );
      if (inquiry.offline?.fanavaranDriverId != null) {
@@ -9900,7 +9856,7 @@ export class RequestManagementService {

    const clientName = inquiryMapped?.CompanyName;
    const companyCode = inquiryMapped?.CompanyCode;
-    if (!clientName && !policyholderUnknown) {
+    if (!clientName) {
      const error = new BadRequestException(
        `CompanyName missing from ${roleLabel} party inquiry response`,
      );
@@ -10162,10 +10118,14 @@ export class RequestManagementService {
    vehicleOwnerNationalCode: string,
    clientId?: string,
  ): Promise<void> {
-    if (!sheba) return;
+    if (!String(sheba ?? "").trim()) {
+      throw new BadRequestException(
+        "sheba is required for the damaged party.",
+      );
+    }
    await this.sandHubService.getShebaValidation(
      vehicleOwnerNationalCode,
-      sheba,
+      sheba!.trim(),
      clientId ? { clientId } : undefined,
    );
  }
@@ -10738,13 +10698,10 @@ export class RequestManagementService {
    const inquirySubmission = this.normalizeInquiryInput(
      req.type,
      partyData,
-      partyRole,
    );
    partyData = inquirySubmission.dto as RunInquiriesVinV3Dto;
    const subjects = resolveInquirySubjects(inquirySubmission);
    this.applyInquiryParticipantsToParty(party, inquirySubmission);
-    const policyholderUnknown =
-      inquirySubmission.thirdPartyPolicyholder.unknown === true;
    const roleLabel = partyRole === PartyRole.FIRST ? "FIRST" : "SECOND";
    let clientId: string | undefined;
    const inquiryOptions = (cid?: string) =>
@@ -10763,17 +10720,11 @@ export class RequestManagementService {
        req,
        "thirdParty",
        partyRole,
-        !inquiry.skipped,
+        true,
        {
          source: "ESG_VIN_INQUIRY",
          raw: inquiryRaw,
          mapped: inquiryMapped,
-          ...(inquiry.skipped
-            ? {
-                skipped: true,
-                reason: "Third-party policyholder is unknown",
-              }
-            : {}),
        },
      );
    } catch (err: any) {
@@ -10817,7 +10768,7 @@ export class RequestManagementService {

    const clientName = inquiryMapped?.CompanyName;
    const companyCode = inquiryMapped?.CompanyCode;
-    if (!clientName && !policyholderUnknown) {
+    if (!clientName) {
      const error = new BadRequestException(
        `CompanyName missing from ${roleLabel} party VIN inquiry response`,
      );
@@ -12320,12 +12271,16 @@ export class RequestManagementService {
      message:
        "استعلام طرف مقصر با موفقیت انجام شد. اکنون می‌توانید لینک تقصیر را برای کاربر ارسال کنید.",
      guiltyParty: {
-        participants: firstPartyAfter?.participants,
+        participants: sanitizeStoredInquiryParticipants(
+          firstPartyAfter?.participants,
+        ),
        participantRoles: firstPartyAfter?.participantRoles,
        vehicle: firstPartyAfter?.vehicle
          ? {
              plateId: firstPartyAfter.vehicle.plateId,
              previousPlateId: firstPartyAfter.vehicle.previousPlateId,
+              previousPolicyholderNationalCode:
+                firstPartyAfter.vehicle.previousPolicyholderNationalCode,
              registrationState: firstPartyAfter.vehicle.registrationState,
              vin: firstPartyAfter.vehicle.vin,
              name: firstPartyAfter.vehicle.name,
@@ -12435,13 +12390,17 @@ export class RequestManagementService {
      message:
        "استعلام VIN طرف مقصر با موفقیت انجام شد. اکنون می‌توانید لینک تقصیر را برای کاربر ارسال کنید.",
      guiltyParty: {
-        participants: firstPartyAfter?.participants,
+        participants: sanitizeStoredInquiryParticipants(
+          firstPartyAfter?.participants,
+        ),
        participantRoles: firstPartyAfter?.participantRoles,
        vehicle: firstPartyAfter?.vehicle
          ? {
              vin: firstPartyAfter.vehicle.vin,
              plateId: firstPartyAfter.vehicle.plateId,
              previousPlateId: firstPartyAfter.vehicle.previousPlateId,
+              previousPolicyholderNationalCode:
+                firstPartyAfter.vehicle.previousPolicyholderNationalCode,
              registrationState: firstPartyAfter.vehicle.registrationState,
              name: firstPartyAfter.vehicle.name,
              type: firstPartyAfter.vehicle.type,
@@ -12684,7 +12643,7 @@ export class RequestManagementService {
      skipInitialFormStep: (req as any).skipInitialFormStep,
      parties: ((req as any).parties ?? []).map((p: any) => ({
        role: p.role,
-        participants: p.participants,
+        participants: sanitizeStoredInquiryParticipants(p.participants),
        participantRoles: p.participantRoles,
        person: {
          phoneNumber: p.person?.phoneNumber,
@@ -12709,6 +12668,8 @@ export class RequestManagementService {
          ? {
              plateId: p.vehicle.plateId,
              previousPlateId: p.vehicle.previousPlateId,
+              previousPolicyholderNationalCode:
+                p.vehicle.previousPolicyholderNationalCode,
              registrationState: p.vehicle.registrationState,
              vin: p.vehicle.vin,
              name: p.vehicle.name,
@@ -12844,7 +12805,7 @@ export class RequestManagementService {
      requiresFileMakerApproval: plain.requiresFileMakerApproval,
      parties: (plain.parties ?? []).map((p: any) => ({
        role: p.role,
-        participants: p.participants,
+        participants: sanitizeStoredInquiryParticipants(p.participants),
        participantRoles: p.participantRoles,
        person: {
          fullName: p.person?.fullName,
@@ -12873,6 +12834,8 @@ export class RequestManagementService {
          ? {
              plateId: p.vehicle.plateId,
              previousPlateId: p.vehicle.previousPlateId,
+              previousPolicyholderNationalCode:
+                p.vehicle.previousPolicyholderNationalCode,
              registrationState: p.vehicle.registrationState,
              vin: p.vehicle.vin,
              name: p.vehicle.name,
@@ -13027,7 +12990,7 @@ export class RequestManagementService {
        : null,
      parties: (plain.parties ?? []).map((p: any) => ({
        role: p.role,
-        participants: p.participants,
+        participants: sanitizeStoredInquiryParticipants(p.participants),
        participantRoles: p.participantRoles,
        person: {
          fullName: p.person?.fullName,
@@ -13056,6 +13019,8 @@ export class RequestManagementService {
          ? {
              plateId: p.vehicle.plateId,
              previousPlateId: p.vehicle.previousPlateId,
+              previousPolicyholderNationalCode:
+                p.vehicle.previousPolicyholderNationalCode,
              registrationState: p.vehicle.registrationState,
              vin: p.vehicle.vin,
              name: p.vehicle.name,