Tax inspection shall, within 30 days from the date of obtaining the business license, report to the tax authorities for tax registration with relevant documents. The tax authorities shall examine and issue tax registration certificates within 30 days from the date of receiving the declaration. According to the "People's Republic of China (PRC) tax collection and management law"

Article 15 It is stipulated that branches, individual industrial and commercial households and institutions engaged in production and operation established by enterprises in other places and places engaged in production and operation (hereinafter referred to as taxpayers engaged in production and operation) shall, within 30 days from the date of obtaining business licenses, report to the tax authorities for tax registration with relevant documents. The tax authorities shall register the declaration on the day it is received and issue a tax registration certificate. The administrative department for industry and commerce shall regularly notify the tax authorities of the registration and issuance of business licenses. The scope and methods for taxpayers other than those specified in the first paragraph of this article to register tax and withholding agents to register tax withholding shall be stipulated by the State Council.

Article 16 A taxpayer engaged in production or business operations who changes the contents of tax registration shall, within 30 days from the date when the administrative department for industry and commerce handles the registration of change or before applying for cancellation of registration to the administrative department for industry and commerce, report to the tax authorities for the change or cancellation of tax registration with relevant documents.