The CFO can unbind the enterprise in the following ways: 1, which is modified in the new electronic tax bureau system of the IRS; 2. Go to the tax bureau to handle the corresponding change procedures, fill in the tax change form of the chief financial officer, and bring a copy of the ID card of the chief financial officer and legal person, the appointment letter of the new chief financial officer, and the original and copy of the tax registration certificate.

Legal objectivity:

People's Republic of China (PRC) tax collection management law

Article 16

Taxpayers engaged in production and business operations shall, if the contents of tax registration change, report to the tax authorities for change or cancellation of tax registration with relevant documents within 30 days from the date when the administrative department for industry and commerce handles the change registration or before applying for cancellation of registration to the administrative department for industry and commerce.