1. First, log in to the invoicing software on your computer as administrator.

2. Go to the invoicing software interface and click on System Settings.

3. In the system setting interface, click commodity code.

4. After entering the interface of commodity code, click Add button.

5. The fields with * are required.

6. There is a square checkbox on the right side of the tax classification code, click to enter the classification code selection interface.

7. Then enter the commodity code can see the code just added.

8. After adding, in the invoicing interface, select the taxable goods and services button, you can select the corresponding commodity code for invoicing.

Expanded Information:

The invoice assignment code is the commodity number selected from the commodity code library. Commodity code can be entered in advance or manually entered in the invoice: enter in advance, fill in the invoice "commodity information" can be selected from the commodity code library. If you enter the code manually when invoicing, the system will prompt you to assign the code to the commodities that have not been assigned a tax classification code.

VAT invoices are designed and printed under the supervision of the State Administration of Taxation (SAT), and are limited to be purchased and used by VAT general taxpayers, which are important accounting documents reflecting the economic activities of taxpayers as well as legal certificates of tax obligations of the selling party and input tax amount of the purchasing party; and they are the important and decisive legal invoices for VAT calculation and management.