First, go to industry and commerce, provide equity transfer and board agreement documents, change all changes, and obtain a new license; Secondly, with the new industrial and commercial business license to the tax hall to receive the tax change registration form, a copy of the new industrial and commercial business license and fill in the complete change registration form to the tax source management department for signature, and then to the tax registration window of the hall for processing; At the same time, hand in the original tax registration certificate and get a new tax registration certificate. If the information submitted meets the requirements, it can be done immediately. The cost is only the production cost, and some places are completely free now.