1. Log in to the VAT invoice issuing software, and select the customized commodity and service code in the system setting module.
2. Open the product code page and click New Product.
3. The new product window will pop up, enter the product information, and click Submit Now.
4, check the need to assign code of goods. Click the corresponding code button on the right.
5. Select the accurate code in the goods and services tax classification code table, check whether to use preferential policies, confirm the tax rate, check whether to include tax, and then click OK.