first, insert the tax ukey into the computer, and open the VAT invoice invoicing software. There are two ways to assign codes to goods, and the steps are basically the same, but the entrance to the code is slightly different. Let me introduce them to you today. The first is to open the billing software. Step 1: Select "User-defined Goods and Services Code" on the home page, click in, and select any one in the left column, and select general goods for general product sales. Then, click "New Goods", the name is required, and the rest are optional. If there are many goods models in your, you can fill in the specifications, models, units and unit prices to see your actual business situation. After filling it in, click "Submit Now". _ Click "Add Goods" _ Fill in the name Step 2: After submission, click "Assign Code" in the newly added goods column, select the tax classification code of goods and services corresponding to the products in the left column, or enter product keywords in the search box on the right, which is more convenient and quick. _ In the newly added commodity column, click "Assign Code". Step 3: After selecting the classification code, remember to check "Tax included", and the tax rate of small-scale companies is 3%. Click OK.