diff --git a/src/helpers/client-mappers/Client900040Coverage.js b/src/helpers/client-mappers/Client900040Coverage.js
new file mode 100644
index 00000000..37481ff7
--- /dev/null
+++ b/src/helpers/client-mappers/Client900040Coverage.js
@@ -0,0 +1,10 @@
+import coverageType from "@/constants/coverage-type";
+
+// USAA coverage overrides
+export function updateClaimRegistrationPayload(payload, order) {
+    const isITAC = order.insuranceCoverage?.coverageType === coverageType.ITAC;
+    payload.additionalInfo = {
+        offeredItac: isITAC.toString(),
+        qualifiedForItac: isITAC.toString()
+    };
+}
\ No newline at end of file
diff --git a/src/helpers/coverage-helper.js b/src/helpers/coverage-helper.js
new file mode 100644
index 00000000..1c3a8431
--- /dev/null
+++ b/src/helpers/coverage-helper.js
@@ -0,0 +1,16 @@
+export async function updateClientSpecificFieldsForClaimRegistration(payload, order) {
+    const parentAccountNumber = order.parentAccountNumber;
+    if (!parentAccountNumber) { return; }
+
+    let clientMapper;
+    try {
+        clientMapper = await import(`@/helpers/client-mappers/Client${parentAccountNumber}Coverage.js`);
+    } catch (error) {
+        // No client-specific mapper found; proceed with the default payload.
+        return;
+    }
+
+    if (typeof clientMapper.updateClaimRegistrationPayload === 'function') {
+        await clientMapper.updateClaimRegistrationPayload(payload, order);
+    }
+}
\ No newline at end of file
diff --git a/src/helpers/coverage-helper.spec.js b/src/helpers/coverage-helper.spec.js
new file mode 100644
index 00000000..46481325
--- /dev/null
+++ b/src/helpers/coverage-helper.spec.js
@@ -0,0 +1,60 @@
+import { updateClientSpecificFieldsForClaimRegistration } from '@/helpers/coverage-helper';
+import coverageType from '@/constants/coverage-type';
+
+let mockStore;
+
+jest.mock('@/store', () => ({
+    useMainStore: jest.fn(() => mockStore)
+}));
+
+describe('coverage-helper.js', () => {
+    describe('updateClientSpecificFieldsForClaimRegistration', () => {
+        beforeEach(() => {
+            mockStore = {
+                order: {
+                    parentAccountNumber: null,
+                    insuranceCoverage: {
+                        coverageType: coverageType.NONE
+                    }
+                }
+            };
+
+            jest.clearAllMocks();
+        });
+        describe.each([
+            [900040, true],
+            [900040, false],
+            ['900040', true],
+            ['900040', false]
+        ])('custom claim registration for client 900040', (parentAccountNumber, isITAC) => {
+            test(`Sets additionalInfo fields when parent account is ${parentAccountNumber} and isITAC is ${isITAC}`, async () => {
+                // Arrange
+                const payload = {};
+                mockStore.order.parentAccountNumber = parentAccountNumber;
+                mockStore.order.insuranceCoverage.coverageType = isITAC ? coverageType.ITAC : coverageType.Deductible;
+
+                // Act
+                await updateClientSpecificFieldsForClaimRegistration(payload, mockStore.order);
+
+                // Assert
+                expect(payload.additionalInfo).toEqual({
+                    offeredItac: isITAC.toString(),
+                    qualifiedForItac: isITAC.toString()
+                });
+            });
+        });
+
+        test('Does not set additionalInfo when parent account is not 900040', async () => {
+            // Arrange
+            const payload = {};
+            mockStore.order.parentAccountNumber = 123456;
+            mockStore.order.insuranceCoverage.coverageType = coverageType.ITAC;
+
+            // Act
+            await updateClientSpecificFieldsForClaimRegistration(payload, mockStore.order);
+
+            // Assert
+            expect(payload.additionalInfo).toBeUndefined();
+        });
+    });
+});
diff --git a/src/mixins/analytics-mixin.js b/src/mixins/analytics-mixin.js
index 0da2a43d..afa79a6a 100644
--- a/src/mixins/analytics-mixin.js
+++ b/src/mixins/analytics-mixin.js
@@ -578,6 +578,7 @@ export default {
             sessionData.userAgent = navigator.userAgent;
 
             sessionData.bailoutCodeValue = bailoutCombinedString;
+            sessionData.vinRequired = order?.vehicle?.vinRequired ?? false;
 
             store.logIssSessionData(sessionData);
         },
diff --git a/src/store/index.js b/src/store/index.js
index 675618a2..72c443ba 100644
--- a/src/store/index.js
+++ b/src/store/index.js
@@ -28,6 +28,7 @@ import { getDateForSavedSessionTimeout } from '@/helpers/session-helper';
 import { isMobileDevice } from '@/helpers/useragent-helper';
 import issPageValues from '@/router/router-constants/issPage-values';
 import { getNonFalseValuesOfPropertyInArrayOfObjects, sortArrayOfObjectsByPropertyValue } from '@/helpers/object-helper';
+import { updateClientSpecificFieldsForClaimRegistration } from '@/helpers/coverage-helper';
 
 const storeId = 'main';
 
@@ -713,6 +714,7 @@ export const useMainStore = defineStore({
                 if (this.issConfig.useMemberNumber) {
                     payload.memberNumber = this.order.policy.policyNumber;
                 }
+                await updateClientSpecificFieldsForClaimRegistration(payload, this.order);
                 const response = await globalMethods.callHttpClient({
                     method: endpoints.RegisterClaim.method,
                     endpoint: endpoints.RegisterClaim.url,
@@ -2832,6 +2834,7 @@ export const useMainStore = defineStore({
                 userAgent,
                 cashPriceSubTotal,
                 bailoutCodeValue,
+                vinRequired,
             }
         ) {
             var payload = {
@@ -2884,6 +2887,7 @@ export const useMainStore = defineStore({
                 cashPriceSubTotal: cashPriceSubTotal,
                 billToAccountNumber: billToAccountNumber,
                 bailoutCode: bailoutCodeValue,
+                vinRequired: vinRequired,
             };
 
             return globalMethods.callHttpClient({