diff --git a/src/layouts/payment/payment.vue b/src/layouts/payment/payment.vue
index fa8d91676..a0c75fe82 100644
--- a/src/layouts/payment/payment.vue
+++ b/src/layouts/payment/payment.vue
@@ -192,9 +192,11 @@ import { mapTaxedLineItemsToStoreFormat } from "../../store";
 import {
     revalidatePromosAndValidateNewPromo,
     getAddableVapsFromAvailableLineItems,
+    getVapsThatNeedToBeAddedToSatisfyPromos,
 } from "@/helpers/promotions-helper";
 import { queryStrings } from "@/constants/query-strings";
 import { getQuerystringParameter } from "@/helpers/querystring-helper";
+import { deepClone } from "@/helpers/object-helper";
 
 import iframeResize from "../../../node_modules/iframe-resizer/js/iframeResizer.js";
 
@@ -228,7 +230,7 @@ export default {
             piaLineItems: this.getPiaLineItems(),
             paypalPayment: this.isPaypal(),
             lineItems: [],
-            availableLineItems: [],
+            availableVaps: [],
         };
     },
     directives: {
@@ -297,22 +299,22 @@ export default {
         ];
 
         const resultMap = await settleAllPromises(promiseResultMap);
+        const lineItemsFromStore = deepClone(store.getters.order.lineItems);
+        const glassParts = lineItemsFromStore.glassParts ?? [];
+        const supportingItems = lineItemsFromStore.supportingItems ?? [];
 
-        const glassParts = store.getters.order.lineItems.glassParts ?? [];
-
-        let availableLineItems = [
+        const lineItemsToTax = [
             resultMap.rainDefense,
-            ...resultMap.supportingItems,
+            ...supportingItems,
             ...resultMap.wipers,
             ...glassParts,
         ];
+        const availableVaps = [resultMap.rainDefense, ...resultMap.wipers];
 
-        const lineItemsFromStore = store.getters.order.lineItems;
-
-        await baseMixin.methods.dispatchStoreActionWithLogging(
+        const pricedLineItemsToTax = await baseMixin.methods.dispatchStoreActionWithLogging(
             storeActions.PRICE_ORDER_ITEMS_AND_SAVE_SERVER_DATA,
             {
-                availableLineItems: availableLineItems,
+                availableLineItems: lineItemsToTax,
             },
             "payment",
             false
@@ -324,14 +326,16 @@ export default {
         const { validatePromoResponse, revalidatePromoResponse } =
             await revalidatePromosAndValidateNewPromo(
                 promoCodeFromQueryString,
-                availableLineItems,
-                "payment-method"
+                pricedLineItemsToTax,
+                "payment"
             );
 
-        availableLineItems.push(...(validatePromoResponse?.orderPromos ?? []));
+        const newValidatedPromos = validatePromoResponse?.orderPromos ?? [];
+
+        pricedLineItemsToTax.push(...newValidatedPromos);
         // End of promo logic
 
-        const taxedAvailableLineItems = await baseMixin.methods.dispatchStoreActionWithLogging(
+        const taxedLineItems = await baseMixin.methods.dispatchStoreActionWithLogging(
             storeActions.TAX_ORDER_ITEMS_AND_SAVE_SERVER_DATA,
             {
                 billToAccountNumber: "87291",
@@ -340,22 +344,33 @@ export default {
                 serviceLocationCity: store.getters.order.serviceLocation.city,
                 serviceLocationState: store.getters.order.serviceLocation.state,
                 serviceLocationZipCode: store.getters.order.serviceLocation.zipCode,
-                pricedAvailableLineItems: availableLineItems,
+                pricedLineItems: pricedLineItemsToTax,
             },
-            "payment-method",
+            "payment",
             false
         );
 
-        // Match all available line items to the line items as they are in the store
+        // Match all line items to the line items as they are in the store
         // and rebuild the original structure.
-        const lineItems = mapTaxedLineItemsToStoreFormat(availableLineItems, lineItemsFromStore);
+        const lineItems = mapTaxedLineItemsToStoreFormat(taxedLineItems, lineItemsFromStore);
+        const taxedVaps = mapTaxedLineItemsToStoreFormat(taxedLineItems, availableVaps);
+
+        // Add items that were not in the store yet but added via query string promo validation
+        lineItems.promos = lineItems.promos ?? [];
+        lineItems.promos.push(...newValidatedPromos);
+        const vapsToAddToCart = getVapsThatNeedToBeAddedToSatisfyPromos(
+            newValidatedPromos,
+            taxedVaps,
+            lineItems
+        );
+        lineItems.vaps.push(...vapsToAddToCart);
 
         // Call the "next" function to complete the transition to this page.
         next(async (vm) => {
             vm.setCmsContent(resultMap.cmsContent);
             vm.fetchSignatureInfo(resultMap.signature);
 
-            vm.availableLineItems = taxedAvailableLineItems;
+            vm.availableVaps = taxedVaps;
             vm.lineItems = lineItems;
         });
     },