Of course. This tax can be modified before filing or corrected during filing. If you go to the tax bureau, there will be no such thing. If the system needs to be filed within the filing period, there is generally no clear time limit, but you need to communicate with your special administrator on New Year's Eve. Log in to People's Republic of China (PRC) State Taxation Administration of The People's Republic of China Shanghai Electronic Taxation Bureau-Home I want to pay taxes-Tax declaration and payment-Error correction of declaration, select the declaration record to be corrected, and click Correct. After the correction is completed, you can click Home-I want to query-declaration information query-declaration result query to see whether the declaration has been successful.

The electronic tax bureau's correction declaration is only applicable to two cases of correcting the declaration in the current month: one is to correct the tax returns that have been deducted during the reporting period of the current month; The second is to correct the declaration form filed after the reporting period of the current month to the end of the month.