diff --git a/src/store/index.js b/src/store/index.js
index 3da801c2..b973ca25 100644
--- a/src/store/index.js
+++ b/src/store/index.js
@@ -279,7 +279,7 @@ export const getDefaultState = () => ({
         buildInfo: (typeof __BUILD_INFO__ !== 'undefined') ? __BUILD_INFO__ : null, // Contains the build info for the website, set during the build process. Version, Time, Git info etc....
         siteType: null, // SiteType / SubType the site is set to (Essential/Advanced).
         enableNoCompQuote: false,
-        useMemberNumber: false, // Indicates if member number should be included for policy lookup purposes
+        useMemberNumber: false, // Indicates if member number should be included for coverage related purposes
         callClaimRegistrationAtEnd: false, // Indicates if claim registration should be called at the end of the flow.
     }
 });
@@ -768,7 +768,7 @@ export const useMainStore = defineStore({
                 vehicleVin: this.order.vehicle.vin,
                 policyData: this.order.policy.policyData,
                 isItac: this.isITAC
-            }
+            };
             // Clients (i.e. USAA) may sometimes use member number, which is just policy number by a different name
             if (this.issConfig.useMemberNumber) {
                 payload.memberNumber = this.order.policy.policyNumber;
diff --git a/src/store/store.spec.js b/src/store/store.spec.js
index 0798bb36..a6f71db2 100644
--- a/src/store/store.spec.js
+++ b/src/store/store.spec.js
@@ -541,8 +541,7 @@ describe('Store', () => {
                 repair: currentDeductible.repair
             };
             store.order.customer.companyCode = companyCode;
-            store.order.policy.policyNumber = policyNumber;
-            globalMethods.callHttpClient = jest.fn().mockReturnValue(Promise.resolve({}));
+            store.order.policy.policyNumber = policyNumber;globalMethods.callHttpClient = jest.fn().mockReturnValue(Promise.resolve({ data: { claimNumber: 'CLM123', isSuccess: true } }));
 
             // Act
             await store.registerClaim();
@@ -1969,6 +1968,95 @@ describe('Store', () => {
                     bailoutOnError: false
                 }));
             });
+            it('includes memberNumber wehn flag is set', () => {
+                // Arrange
+                const response = {
+                    data: {
+                        deductible: getRandomInt(0, 5000),
+                        policyData: getRandomString(100, 200)
+                    }
+                };
+
+                const location = getRandomString(10, 15).toUpperCase();
+                store.order.damage.glassToReplace = [
+                    {
+                        glassLocation: location
+                    }
+                ];
+                const referralCorrelationId = getRandomGuid();
+                const parentAccountNumber = getRandomString(6, 6);
+                const endorsements = [];
+                const manualGlassNames = [location];
+                const policyState = getRandomString(2, 2);
+                const status = getRandomString(6, 8);
+                const currentDeductible = 500;
+                const originalDeductible = 500;
+                const isRepair = getRandomBoolean();
+                const policyNumber = getRandomString(10, 20);
+                const insuredFirstName = getRandomString(10, 20);
+                const insuredLastName = getRandomString(10, 20);
+                const insuredZipCode = getRandomInt(10000, 99999).toString();
+                const policyVehicleId = getRandomInt(1, 2).toString();
+                const vehicleVin = getRandomString(17, 17);
+                const policyData = getRandomString(100, 200);
+
+                store.order.referralCorrelationId = referralCorrelationId;
+                store.order.parentAccountNumber = parentAccountNumber;
+                store.order.currentDeductible = {
+                    replace: currentDeductible,
+                    repair: currentDeductible
+                };
+                store.order.originalDeductible = {
+                    replace: originalDeductible,
+                    repair: originalDeductible
+                };
+                store.order.policy.status = status;
+                store.order.customer.address.state = policyState;
+                store.order.damage.isRepair = isRepair;
+                store.order.policy.policyNumber = policyNumber;
+                store.order.customer.firstName = insuredFirstName;
+                store.order.customer.lastName = insuredLastName;
+                store.order.customer.address.zipCode = insuredZipCode;
+                store.order.vehicle.policyVehicleId = policyVehicleId;
+                store.order.vehicle.vin = vehicleVin;
+                store.order.policy.policyData = policyData;
+                store.issConfig.useMemberNumber = true;
+
+                globalMethods.callHttpClient = jest.fn().mockReturnValue(Promise.resolve(response));
+
+                // Act
+                store.getFinalDeductible();
+
+                // Assert
+                expect(globalMethods.callHttpClient).toHaveBeenCalledWith(({
+                    method: endpoints.FinalDeductible.method,
+                    endpoint: endpoints.FinalDeductible.url,
+                    payload: ({
+                        referralCorrelationId,
+                        accountNumber: parentAccountNumber,
+                        endorsements,
+                        manualGlassNames,
+                        policyState,
+                        status,
+                        currentDeductible,
+                        originalDeductible,
+                        currentRepairDeductible: store.order.currentDeductible.repair,
+                        currentReplaceDeductible: store.order.currentDeductible.replace,
+                        noCoverage: store.isNoComp,
+                        isRepair,
+                        policyNumber,
+                        insuredFirstName,
+                        insuredLastName,
+                        insuredZipCode,
+                        policyVehicleId,
+                        vehicleVin,
+                        policyData,
+                        isItac: store.isITAC,
+                        memberNumber: policyNumber
+                    }),
+                    bailoutOnError: false
+                }));
+            });
             it('only "Yes" endorsement answers are added to payload', () => {
                 // Arrange
                 const response = {