Tax ukey looks at the number received at that time on the software platform, and the specific method is as follows.

1. Enter as an enterprise, and then select I want to do tax, invoice use and invoice type verification to enter the "Ticket Type Verification" interface.

2. After filling in the relevant company information, click Add Line and select the required ticket type.

3. Fill in the "Application Form for Maximum Monthly Ticket Purchase".

4. To apply for general VAT invoices, electronic VAT invoices and unified motor vehicle sales invoices, you need to fill in the "maximum invoicing limit for a single invoice".