diff --git a/src/store/index.js b/src/store/index.js
index 9b983519..3407cecf 100644
--- a/src/store/index.js
+++ b/src/store/index.js
@@ -2374,17 +2374,17 @@ export const useMainStore = defineStore({
                 method: endpoints.TaxOrderItems.method,
                 endpoint: endpoints.TaxOrderItems.url,
                 payload: {
-                parentAccountNumber: this.order.parentAccountNumber,
-                billToAccountNumber: this.billToAccountNumber,
-                providerNumber: this.providerNumber,
-                appointmentType: appointmentType,
-                pricedLineItems: getLineItemsFlattened(pricedLineItems),
-                serviceLocation: {
+                ParentAccountNumber: this.order.parentAccountNumber,
+                BillToAccountNumber: this.billToAccountNumber,
+                ProviderNumber: this.providerNumber,
+                AppointmentType: appointmentType,
+                PricedLineItems: getLineItemsFlattened(pricedLineItems),
+                ServiceLocation: {
                     city: isMobileApt ? serviceLocationCity : null,
                     state: isMobileApt ? serviceLocationState : null,
                     zipCode: isMobileApt ? serviceLocationZipCode : null,
                 },
-                serverData: lineItemServerData ? lineItemServerData : "",
+                ServerData: lineItemServerData ? lineItemServerData : "",
             },
             }).then((response) => {
                 this.order.lineItems.serverData = response.data.serverData;