1. system problem: firstly, please ensure that the network connection is normal and the website of the electronic tax bureau is running normally. If the system fails or maintenance fails, there may be no response when sending the report.
2. Input error: Please carefully check whether the content and format of the report are correct.
3. Overdue restrictions: If the declaration is overdue, the Electronic Taxation Bureau will have specific handling regulations.
4. Browser compatibility: Different browsers have different compatibility with the website of the Electronic Taxation Bureau.