The company has been closed for many years and has been cancelled. The official seal and documents are gone, so it is necessary to reissue the documents. The company must provide all cancellation evidence before it can go through the cancellation procedures. Company cancellation process: (1) First get the form from the national tax: fill it out, sign and seal it according to the requirements of the national tax, pay the invoice and pay back the tax, then take back the national tax registration certificate and give you a notice of cancellation of the national tax registration. (2) Take the notice of cancellation of tax registration from the national tax and the form from the local tax. After paying the tax, you will recover the tax registration certificate of the local tax and give you a notice of cancellation of tax registration from the local tax. (3) Take two notices to cancel the bank account. (4) Take the notice to the industrial and commercial bureau to get the form, then return it to the industrial and commercial bureau, and then revoke the business license. Two. What materials should be submitted for the cancellation of company registration (1)? An application for cancellation of registration of a branch company signed by the company's legal representative, designated representative or entrusted agent with the official seal of the company; (2) The certificate of the designated representative or entrusted agent signed by the company, stamped with the official seal of the company and affixed with a copy of the ID card of the designated representative or entrusted agent shall indicate the specific entrusted matters, authority and entrusted period. The designated representative or entrusted agent shall submit the original ID card (on-site confirmation). (3) The cancellation decision issued by the company, explaining the reasons for canceling the branch. (4) The original and photocopy of the business license of the branch. (5) the tax payment certificate of the branch. When you say "the tax system seems to be in an abnormal state", if you mean that the tax registration has not been carried out, you can submit a copy of the Notice of Granting Branch Registration issued by the industrial and commercial registration authority when obtaining the business license as proof. (6) If the branch has a separate bank account, it shall also submit a certificate of cancellation of the bank account. (7) Official seal of the branch.