diff --git a/src/claim-request-management/claim-request-management.service.ts b/src/claim-request-management/claim-request-management.service.ts
index 45885ea..db11302 100644
--- a/src/claim-request-management/claim-request-management.service.ts
+++ b/src/claim-request-management/claim-request-management.service.ts
@@ -8308,8 +8308,14 @@ export class ClaimRequestManagementService {
         );
       }
 
-      // 4. Validate outer parts haven't been selected yet
+      // 4. Validate outer parts haven't been selected yet.
+      // For FILE_REVIEWER re-reviewing after a FileMaker rejection, the existing
+      // selection from the prior cycle is intentionally overwritten — skip this
+      // guard so the reviewer can update the damaged parts list.
+      const isFileReviewerReselect =
+        actor?.role === RoleEnum.FILE_REVIEWER;
       if (
+        !isFileReviewerReselect &&
         claimCase.damage?.selectedParts &&
         claimCase.damage.selectedParts.length > 0
       ) {
@@ -11161,10 +11167,21 @@ export class ClaimRequestManagementService {
     // USER_SUBMISSION_COMPLETE: can occur when documents were uploaded via a
     //   non-V3 path (e.g. generic v2 endpoint).  Safe to advance as long as
     //   accident fields are set (checked just below).
+    // EXPERT_REVIEWING + EXPERT_DAMAGE_ASSESSMENT: FileReviewer re-entering
+    //   after a FileMaker rejection.  The claim was locked back to
+    //   EXPERT_REVIEWING by the reviewer's lock call; the document phase was
+    //   already completed in the prior cycle so it's safe to advance directly
+    //   to part selection.
+    const isFileReviewerReentry =
+      claimCase.status === ClaimCaseStatus.EXPERT_REVIEWING &&
+      step === ClaimWorkflowStep.EXPERT_DAMAGE_ASSESSMENT &&
+      (blame as any)?.isMadeByFileMaker === true;
+
     const canAdvance =
       step === ClaimWorkflowStep.UPLOAD_REQUIRED_DOCUMENTS ||
       step === ClaimWorkflowStep.USER_SUBMISSION_COMPLETE ||
-      claimCase.status === ClaimCaseStatus.WAITING_FOR_FILE_REVIEWER;
+      claimCase.status === ClaimCaseStatus.WAITING_FOR_FILE_REVIEWER ||
+      isFileReviewerReentry;
 
     if (!canAdvance) {
       throw new BadRequestException(
@@ -11574,9 +11591,19 @@ export class ClaimRequestManagementService {
       throw new BadRequestException("Video file is required.");
     }
     if (claimCase.media?.videoCaptureId) {
-      throw new ConflictException(
-        "A walk-around video has already been uploaded for this claim.",
-      );
+      // FILE_REVIEWER re-reviewing after a FileMaker rejection: allow replacing
+      // the previous walk-around video by clearing the stale id first so that
+      // setVideoCaptureV2's own conflict check doesn't block the upload.
+      if (actor?.role === RoleEnum.FILE_REVIEWER) {
+        await this.claimCaseDbService.findByIdAndUpdate(claimRequestId, {
+          $unset: { "media.videoCaptureId": "" },
+        });
+        claimCase.media = { ...(claimCase.media ?? {}), videoCaptureId: undefined } as any;
+      } else {
+        throw new ConflictException(
+          "A walk-around video has already been uploaded for this claim.",
+        );
+      }
     }
 
     if (
diff --git a/src/request-management/file-maker-claim-approval-v5.controller.ts b/src/request-management/file-maker-claim-approval-v5.controller.ts
index 0ef7882..b186981 100644
--- a/src/request-management/file-maker-claim-approval-v5.controller.ts
+++ b/src/request-management/file-maker-claim-approval-v5.controller.ts
@@ -104,7 +104,7 @@ export class FileMakerClaimApprovalV5Controller {
       example: {
         errorCode: "FILE_MAKER_REJECTION_LIMIT_EXCEEDED",
         message:
-          "This claim has already been rejected twice. You must approve it now — no further rejections are allowed.",
+          "این پرونده قبلاً دو بار رد شده است. امکان رد مجدد وجود ندارد — باید پرونده را تأیید کنید.",
       },
     },
   })
diff --git a/src/request-management/request-management.service.ts b/src/request-management/request-management.service.ts
index 5c8614e..1e8e2be 100644
--- a/src/request-management/request-management.service.ts
+++ b/src/request-management/request-management.service.ts
@@ -10608,7 +10608,7 @@ export class RequestManagementService {
     if (currentRejections >= 2) {
       throw new BusinessRuleException(
         BusinessErrorCode.FILE_MAKER_REJECTION_LIMIT_EXCEEDED,
-        "This claim has already been rejected twice. You must approve it now — no further rejections are allowed.",
+        "این پرونده قبلاً دو بار رد شده است. امکان رد مجدد وجود ندارد — باید پرونده را تأیید کنید.",
       );
     }
 
@@ -10811,6 +10811,25 @@ export class RequestManagementService {
     const firstParty = req.parties[firstIdx];
 
     await this.runPartyInquiriesV3Internal(req, dto, PartyRole.FIRST, firstParty);
+
+    // V6 call-center guard: the guilty party's insurance must belong to THIS
+    // deployment's insurer company.  Reject the file early so the agent cannot
+    // initiate a blame flow for a third-party insurance holder.
+    const resolvedClientId = req.parties[firstIdx]?.person?.clientId;
+    if (resolvedClientId && process.env.CLIENT_ID) {
+      const resolvedClient = await this.clientService.findOne({
+        _id: new Types.ObjectId(String(resolvedClientId)),
+      });
+      if (
+        resolvedClient &&
+        String(resolvedClient.clientCode) !== String(process.env.CLIENT_ID)
+      ) {
+        throw new ForbiddenException(
+          "بیمه‌نامه طرف مقصر متعلق به شرکت بیمه این سامانه نیست. لینک تقصیر فقط برای بیمه‌گذاران همین شرکت قابل ارسال است.",
+        );
+      }
+    }
+
     // Do NOT call markPartyInquiriesCompleteOnBlame here: that helper is for V3/V4/V5
     // FileMaker flows and would advance the workflow to FIRST_LOCATION prematurely.
     // In V6 the workflow must stay at CREATED until send-link advances it to FIRST_VIDEO.
@@ -10891,6 +10910,29 @@ export class RequestManagementService {
 
     const firstIdx = this.getPartyIndex(req, PartyRole.FIRST);
     if (firstIdx === -1) throw new BadRequestException("First party not found on request");
+
+    // Safeguard: verify that run-inquiry was completed and that the resolved
+    // insurance company belongs to this deployment before proceeding.
+    const storedClientId = req.parties[firstIdx]?.person?.clientId;
+    if (!storedClientId) {
+      throw new BadRequestException(
+        "استعلام بیمه طرف مقصر انجام نشده است. ابتدا run-inquiry را فراخوانی کنید.",
+      );
+    }
+    if (process.env.CLIENT_ID) {
+      const storedClient = await this.clientService.findOne({
+        _id: new Types.ObjectId(String(storedClientId)),
+      });
+      if (
+        storedClient &&
+        String(storedClient.clientCode) !== String(process.env.CLIENT_ID)
+      ) {
+        throw new ForbiddenException(
+          "بیمه‌نامه طرف مقصر متعلق به شرکت بیمه این سامانه نیست. لینک تقصیر فقط برای بیمه‌گذاران همین شرکت قابل ارسال است.",
+        );
+      }
+    }
+
     const userId = await this.getOrCreateUserByPhoneNumber(phone);
     if (!req.parties[firstIdx].person) req.parties[firstIdx].person = {} as any;
     req.parties[firstIdx].person.phoneNumber = normalizeIranMobile(phone) ?? phone;