Authentication method: 1. Plug in the golden tax plate or tax control plate, UKEY, open the invoice verification platform, enter the password, and click Login.

2. Check the input invoice, click the deduction check after the check is completed, and then click the deduction check for statistics.

3. Then click Apply for Statistics.

4. Click Statistical Query.

5. Then click to confirm your signature.

6. Enter the certificate password and click OK.

Page 7 shows the confirmation signature.