According to the provisions of Article 29 and Article 31 of the Measures for the Administration of Tax Registration, if a taxpayer changes the tax registration authority due to the change of his domicile or business premises, he shall, before applying to the administrative department for industry and commerce or other organs for change or cancellation of registration, report to the original tax registration authority for cancellation of tax registration with relevant documents and materials, and report to the tax authority where he moves in within 30 days from the date of cancellation of tax registration. Before going through the cancellation of tax registration, taxpayers shall submit relevant supporting documents and materials to the tax authorities, settle the payable taxes, excessive (exempted) taxes, late fees and fines, hand in invoices, tax registration certificates and other tax certificates, and go through the formalities of cancellation of tax registration after being approved by the tax authorities. Regarding the competent tax authorities, what taxes are generally involved and what they have done; If it involves all aspects, it needs to be done.