According to the relevant information inquired, the contact maintenance and modification methods of Zhejiang Electronic Taxation Bureau are as follows:

1. Changing the person in charge of finance must enter through the identity of real-name tax collector and enter the interface of handling tax-related matters.

2. Secondly, enter the change tax registration normally, and select the person in charge of finance to make the change, and the system will pop up the information to be filled in.

3. Generally subconsciously, everyone will change their name, phone number and ID card directly. At this point, if you click Save.

4. For this prompt, pay attention to whether the same content before and after modification has not been deleted.

5. The correct operation method is to delete the three lines of ID card type, fixed telephone number and email address before saving.