First, open the billing system and enter the system setting interface.
Second, open the system settings, see the commodity code icon, and click in.
3. Click on the commodity code to enter the commodity code management interface and display the existing commodity codes of our company. If you want to see all the codes, click Add.
4. Click Add to open the interface for adding commodity codes. There is a tax classification code item. Click on the small computer icon at the back.
Five, classification code selection interface can query all the commodity codes in the system.