Legal analysis: 1. Prepare the application for change registration of the branch company, affix the seal of the subordinate company and sign it by the legal representative; 2, the agent's identity certificate, issued by the enterprise registration agency, and submit the business license of the enterprise registration agency; 3. The appointment and dismissal documents of the person in charge of the branch issued by the subordinate company, that is, the appointment letter of the new person in charge of the branch and the dismissal documents of the original person in charge.
Legal basis: Branch companies can be established in Article 14 of People's Republic of China (PRC) Company Law. The establishment of a branch company shall apply to the company registration authority for registration and obtain a business license. A branch company does not have legal person status, and its civil liability shall be borne by the company. A company may set up subsidiaries, which have legal personality and independently bear civil liabilities according to law.