1. First, enter the VAT invoicing system, find the red-ink invoice application in the menu bar, and click the one of the first applicant sellers.

2. Secondly, fill in the invoice information to be red-offset, print out the Application Form and affix the special financial seal.

3. Finally, export the electronic information, and issue an invoice for the convenience food of Zongzi according to the tax rate and collection rate indicated on the classification code.