1. Log in to the electronic tax bureau, click I want to do the tax, and then click the item handling.

2. Enter Project Processing, click Invoice, click Tax Approval, and then click Processing.

3. Enter the invoice type verification application and click Add Line.

4. Click Add Application Type and select Special Ticket or Ordinary Ticket as the ticket type. If you apply for a special ticket, you need to fill in an invoice and apply for the maximum billing limit.

5. Then click on the special equipment of VAT tax control system to apply.