solution

1, click "Home"-"Custom Goods and Services Code".

2. Select the commodity code category on the left, click "Add Commodity" and fill in the name. Click "Submit Now" to save after entering.

3. After adding a new commodity, click "Assign Code" at the back to add a tax classification code for the commodity.

You can manually select the tax classification code from the left, or you can search by pressing "Name" on the right.

After selection, select the tax rate corresponding to the commodity, and click OK to save and complete the addition.