1. When issuing an ordinary invoice, it is required to fill in the name of the other party and the number on the tax registration certificate, and the identification number of each enterprise is unique;
2. When issuing VAT invoices, the following contents must be filled in to be valid:
Name, tax number, address, bank and account number of the purchasing unit, name of the goods, unit price (excluding tax) and quantity, payee and auditor of the billing unit, etc.
Among them: sales company name, tax number, address, bank of deposit, account number and other information, the drawer name and invoice password are automatically extracted or generated by the system without input.