1. First identify the QR code and download the mobile phone "Tax Pass" APP.
2. Before applying for invoice mailing, click the "+"sign in the upper right corner, and switch to the status of "ticket collector" after logging in.
3. Click on the module of "Mobile Phone Tax Ticket, Home Page, Invoice Email".
4. Maintain the address and choose the mailing method.
5. After clicking "Confirm", continue to select the ticket counter and delivery address information, where the delivery address defaults to the taxpayer's registered address and production and operation address, and the invoice mailing address can be added, modified and deleted through the address maintenance function in the upper right corner of the page.
6. After clicking "Confirm", the taxpayer can select the invoice type information, and the taxpayer can select one or more mailing invoice types at a time, in which "adding one line" can increase the invoice type and "subtracting one line" can decrease the invoice type.
7. After the application, you can check the invoice application in the "Query, Invoice Email Query" module of the mobile phone tax service.