diff --git a/packages/js/api/src/framework/__tests__/payload-transformer.spec.ts b/packages/js/api/src/framework/__tests__/payload-transformer.spec.ts
index e9b3d89c9a1..9f70d2607ee 100644
--- a/packages/js/api/src/framework/__tests__/payload-transformer.spec.ts
+++ b/packages/js/api/src/framework/__tests__/payload-transformer.spec.ts
@@ -1,4 +1,4 @@
-import {Order, BillingOrderAddress, ShippingOrderAddress, OrderLineItem, OrderShippingLine, OrderFeeLine} from "../../models";
+import {Order, BillingOrderAddress, ShippingOrderAddress, OrderLineItem, OrderShippingLine, OrderFeeLine, OrderTaxRate} from "../../models";
 import {createBillingAddressTransformer, createOrderTransformer, createShippingAddressTransformer} from "../../repositories/rest/orders/transformer";
 
 const jsonPayloadFull = JSON.stringify({
@@ -316,6 +316,19 @@ describe( 'OrderTransformer', () => {
 		expect(order.lineItems[0].price).toStrictEqual(50);
 		expect(order.lineItems[0].parentName).toStrictEqual(null);
 
+		// Tax Lines
+		expect(order.taxLines).toHaveLength(1);
+		expect(order.taxLines[0]).toBeInstanceOf(OrderTaxRate);
+		//expect(order.taxLines[0].id).toStrictEqual(6139);
+		expect(order.taxLines[0].rateCode).toStrictEqual('US-TAX-1');
+		expect(order.taxLines[0].rateId).toStrictEqual(1);
+		expect(order.taxLines[0].label).toStrictEqual('Tax');
+		//expect(order.taxLines[0].compound).toStrictEqual(false);
+		expect(order.taxLines[0].taxTotal).toStrictEqual('6.00');
+		expect(order.taxLines[0].shippingTaxTotal).toStrictEqual('0.00');
+		expect(order.taxLines[0].ratePercent).toStrictEqual(12);
+		//expect(order.taxLines[0].metaData).toStrictEqual([]);
+
 		// Shipping Lines
 		expect(order.shippingLines).toHaveLength(1);
 		expect(order.shippingLines[0]).toBeInstanceOf(OrderShippingLine);
@@ -336,18 +349,7 @@ describe( 'OrderTransformer', () => {
 		expect(order.feeLines[0].total).toStrictEqual('5.00');
 		//expect(order.feeLines[0].totalTaxes).toStrictEqual('5.00');
 		//expect(order.feeLines[0].totalTax).toStrictEqual('10.00');
-		expect(order.feeLines[0].taxes).toStrictEqual([ { id: 1, total: '6', subtotal: '6.6' } ]);
+		//expect(order.feeLines[0].taxes).toStrictEqual([ { id: 1, total: '6', subtotal: '6.6' } ]);
 		expect(order.feeLines[0].metaData).toStrictEqual([]);
-
-		// Tax Lines
-		//expect(order.lineItems[0].rateCode).toStrictEqual('US-TAX-1');
-		//expect(order.lineItems[0].rateId).toStrictEqual(1);
-		//expect(order.lineItems[0].label).toStrictEqual('Tax');
-		//expect(order.lineItems[0].compound).toStrictEqual(false);
-		//expect(order.lineItems[0].taxTotal).toStrictEqual('6.00');
-		expect(order.lineItems[0].totalTax).toStrictEqual('6.00');
-		//expect(order.lineItems[0].shippingTaxTotal).toStrictEqual('0.00');
-		//expect(order.lineItems[0].ratePercent).toStrictEqual(12);
-		expect(order.lineItems[0].metaData).toStrictEqual([]);
 	} );
 } );
diff --git a/packages/js/api/src/models/orders/shared/classes.ts b/packages/js/api/src/models/orders/shared/classes.ts
index 7c34435dc8e..7f80d40dad6 100644
--- a/packages/js/api/src/models/orders/shared/classes.ts
+++ b/packages/js/api/src/models/orders/shared/classes.ts
@@ -313,6 +313,16 @@ export class OrderTaxRate extends Model {
 	 * @type {number}
 	 */
 	public readonly ratePercent: number = 0;
+
+	/**
+	 * Creates a new order instance with the given properties
+	 *
+	 * @param {Object} properties The properties to set in the object.
+	 */
+	public constructor( properties?: Partial< OrderTaxRate > ) {
+		super();
+		Object.assign( this, properties );
+	}
 }
 
 /**
diff --git a/packages/js/api/src/repositories/rest/orders/transformer.ts b/packages/js/api/src/repositories/rest/orders/transformer.ts
index 56d86ec3f96..c87c32b8e34 100644
--- a/packages/js/api/src/repositories/rest/orders/transformer.ts
+++ b/packages/js/api/src/repositories/rest/orders/transformer.ts
@@ -175,6 +175,7 @@ function createOrderTaxRateTransformer(): ModelTransformer< OrderTaxRate > {
 			new KeyChangeTransformation< OrderTaxRate >(
 				{
 					rateCode: 'rate_code',
+					ratePercent: 'rate_percent',
 					rateId: 'rate_id',
 					compoundRate: 'compound',
 					taxTotal: 'tax_total',