Option A, if individual industrial and commercial households that implement the method of periodic quota collection need to suspend business, they should report to the tax authorities for suspension of business registration before they suspend business; Option D, if a taxpayer fails to resume production and operation in time after the expiration of business suspension, it shall apply to the tax authorities for extension of business suspension registration before the expiration of business suspension, not after the expiration. Option e, where a taxpayer changes the tax registration authority due to the change of domicile or business place, it shall apply to the administrative department for industry and commerce or other organs for change or cancellation of registration, or before the change of domicile or business place. With relevant documents and materials, apply to the original tax registration authority for cancellation of tax registration, and apply to the tax authorities in the place where the tax registration is cancelled within 30 days.