Specifically, when the administrative departments for industry and commerce at all levels handle the industrial and commercial registration, change registration and cancellation registration of various enterprises and operators, the tax authorities at all levels should notify each other in writing when handling the tax registration, change registration and cancellation registration of various enterprises and operators, so as to keep abreast of the situation and strengthen supervision and management. When handling the tax registration of various enterprises and operators, tax authorities should inquire about their handling of industrial and commercial registration. Those who have already gone through industrial and commercial registration shall go through tax registration with the relevant certificates of the administrative department for industry and commerce; When examining the cancellation of registration, the administrative department for industry and commerce shall inquire about the tax payment of enterprises and operators, and decide whether to approve or disapprove the cancellation of registration according to whether they have paid taxes. Tax authorities at all levels should also pay attention to the publicity of annual reports of industrial and commercial enterprises and master the changes in their production and operation. The administrative departments for industry and commerce at all levels can provide relevant information. Local tax authorities should attach great importance to the collection and management of individual income tax on equity transfer, strengthen contact and cooperation with the administrative department for industry and commerce, take the initiative to obtain the registration information of equity change from the administrative department for industry and commerce on a regular basis, and ensure that the tax is put into storage in full and on time.