The merchant number data of the tax line cannot be found.

1. Confirm whether the merchant number of tax bank is registered successfully. Not registered, please contact the local taxation bureau in official website to handle related business.

2. You have successfully registered, but you still can't find the merchant number data. Log in to official website, the tax bank, to query the account information and find the merchant number in the account information.

3. If you still can't find the merchant number on official website, you can contact the customer service of the tax bank for consultation, or call the contact number of the developer of the tax bank to understand the specific situation.