diff --git a/src/store/index.js b/src/store/index.js
index 39ccdc2ac..1d8e08d6e 100644
--- a/src/store/index.js
+++ b/src/store/index.js
@@ -2350,6 +2350,7 @@ export const actions = {
             laborAmount: lineItem.laborAmount ?? 0,
             kitPrice: lineItem.kitPrice ?? 0,
             sellingPrice: lineItem.sellingPrice ?? 0,
+            promoCode: lineItem.promoCode ?? null,
         }));
 
         const pricedLineItemsFormattedForRequest =
@@ -2953,7 +2954,9 @@ function buildQueryStringParameterFromArrayOfComplexObjects(arrayOfObjects, para
     let queryStringParameter = "";
     for (let i = 0; i < arrayOfObjects.length; i++) {
         for (const [key, value] of Object.entries(arrayOfObjects[i])) {
-            queryStringParameter += `${parameterName}[${i}].${key}=${value}&`;
+            if (value || value === 0) {
+                queryStringParameter += `${parameterName}[${i}].${key}=${value}&`;
+            }
         }
     }
     // Remove trailing &