1, that depends on whether the other party sends it offline or online.

2, online, generally can be checked after 24 hours, in practice, as long as the other party is not there, the system can check immediately.

3. Offline issuance requires the other party to upload the billing data to the billing system of the tax bureau before checking. This time is uncertain.

4. General invoices can be inspected normally after the next month 15 days (after the reporting period of the next month) after the other party issues them. If they still can't check, you can call the other party and ask them to copy the tax return and upload the billing information. After the other party uploads the information, it can be viewed.