How to declare if the base of Shanghai social security provident fund is different?

If you pay social security and provident fund in Shanghai at the same time, but their payment bases are different, you can declare according to the following steps:

1. Log on to the website of Shanghai Social Insurance Management Information System, select the function of "company declaration" and enter your account number and password.

2. On the page of "Company Application", select "Social Insurance" or "Housing Provident Fund" for application.

3. In the application page, enter your company name, payment month of social security or provident fund, payment base and other information.

4. If your social security and provident fund payment bases are different, you need to fill in the corresponding payment bases respectively.

5. After filling in the form, confirm that the information is correct, and click the "Submit" button to declare.

It should be noted that social security and provident fund have different payment bases and need to be declared according to relevant regulations. If you are not sure how to declare or have questions, you can consult the local social security or provident fund management institution, or you can consult a professional accountant or tax accountant.