Why is there no deadline for social security declaration of Zhejiang Electronic Taxation Bureau?

There is no deadline. It may be postponed.

Generally, the social security declaration of electronic tax bureau has a time limit. If the deadline can't be found, it may be postponed for some reasons, or there may be something wrong with the website of the tax bureau. In this case, it is best to consult the local taxation bureau directly.

The social insurance premiums approved by the human resources and social security department and the medical insurance department shall remain unchanged in the reporting period and payment period.