diff --git a/src/helpers/querystring-helper.js b/src/helpers/querystring-helper.js
index 59c1579c..0327071d 100644
--- a/src/helpers/querystring-helper.js
+++ b/src/helpers/querystring-helper.js
@@ -28,3 +28,12 @@ export function getLineItemQueryString(lineItems, parameterName) {
         `${parameterName}[${index}].partNumber=${lineItem.partNumber}`).join('&');
     return queryString.length !== 0 ? `&${queryString}` : '';
 }
+
+export function getTaxLineItemQueryString(lineItems, parameterName) {
+    const queryString = getLineItemsFlattened(lineItems).map((lineItem, index) =>
+        `${parameterName}[${index}].partNumber=${lineItem.partNumber}`
+        + `&${parameterName}[${index}].laborAmount=${lineItem.laborAmount}`
+        + `&${parameterName}[${index}].sellingPrice=${lineItem.sellingPrice}`
+        + `&${parameterName}[${index}].kitPrice=${lineItem.kitPrice}`).join('&');
+    return queryString.length !== 0 ? `&${queryString}` : '';
+}
diff --git a/src/helpers/querystring-helper.spec.js b/src/helpers/querystring-helper.spec.js
index 1c7378be..4af685d9 100644
--- a/src/helpers/querystring-helper.spec.js
+++ b/src/helpers/querystring-helper.spec.js
@@ -1,4 +1,8 @@
-import { buildQueryStringParameterFromArrayOfComplexObjects, getLineItemQueryString } from '@/helpers/querystring-helper';
+import {
+    buildQueryStringParameterFromArrayOfComplexObjects,
+    getLineItemQueryString,
+    getTaxLineItemQueryString
+} from '@/helpers/querystring-helper';
 
 describe('querystring-helper', () => {
     describe('buildQueryStringParameterFromArrayOfComplexObjects', () => {
@@ -44,4 +48,34 @@ describe('querystring-helper', () => {
             expect(result).toBe('&param[0].partNumber=a&param[1].partNumber=b&param[2].partNumber=c&param[3].partNumber=d&param[4].partNumber=e');
         });
     });
+
+    describe('getTaxLineItemQueryString', () => {
+        it('returns empty query string from empty line items', () => {
+            // Arrange
+            const lineItems = [];
+
+            // Act
+            const result = getTaxLineItemQueryString(lineItems, 'param');
+
+            // Assert
+            expect(result).toBe('');
+        });
+
+        it('returns a query string from line items', () => {
+            // Arrange
+            const a = { partNumber: 'a', laborAmount: 0, sellingPrice: 10, kitPrice: 10 };
+            const c = { partNumber: 'c', laborAmount: 5, sellingPrice: 5, kitPrice: 5 };
+            const b = { partNumber: 'b', laborAmount: 10, sellingPrice: 10, kitPrice: 0, childParts: [c] };
+            const d = { partNumber: 'd', laborAmount: 10, sellingPrice: 10, kitPrice: 10 };
+
+            const lineItems = [a, b, d];
+
+            // Act
+            const result = getTaxLineItemQueryString(lineItems, 'param');
+
+            // Assert
+            // eslint-disable-next-line max-len
+            expect(result).toBe('&param[0].partNumber=a&param[0].laborAmount=0&param[0].sellingPrice=10&param[0].kitPrice=10&param[1].partNumber=b&param[1].laborAmount=10&param[1].sellingPrice=10&param[1].kitPrice=0&param[2].partNumber=c&param[2].laborAmount=5&param[2].sellingPrice=5&param[2].kitPrice=5&param[3].partNumber=d&param[3].laborAmount=10&param[3].sellingPrice=10&param[3].kitPrice=10');
+        });
+    });
 });
diff --git a/src/store/index.js b/src/store/index.js
index e0d248cd..2bcee233 100644
--- a/src/store/index.js
+++ b/src/store/index.js
@@ -26,7 +26,7 @@ import bailoutMessage from '@/constants/bailoutMessage';
 import bailoutCode from '@/constants/bailoutCode';
 import partNumberStrings from '@/constants/part-number-strings';
 import { getLineItemsFlattened } from '@/helpers/line-items-helper';
-import { buildQueryStringParameterFromArrayOfComplexObjects, getLineItemQueryString } from '@/helpers/querystring-helper';
+import { buildQueryStringParameterFromArrayOfComplexObjects, getLineItemQueryString, getTaxLineItemQueryString } from '@/helpers/querystring-helper';
 
 const storeId = 'main';
 
@@ -2021,7 +2021,7 @@ export const useMainStore = defineStore({
             const serviceLocationState = serviceLocation.state;
             const serviceLocationZipCode = serviceLocation.zipCode;
 
-            const lineItemsQueryString = getLineItemQueryString(pricedLineItems, 'lineItems');
+            const lineItemsQueryString = getTaxLineItemQueryString(pricedLineItems, 'lineItems');
 
             let queryString = '';
             if (appointmentType === AppointmentTypeStrings.MOBILE