After the mortgage is paid off, if you want to apply for a mortgage, the customer should first go to the loan handling bank to apply for a loan settlement certificate, get back his other warrants, get the Application Form for Cancellation of Real Estate Mortgage and the Application Form for Cancellation of Registration of Public (Private) Housing Mortgage in XX City stamped by the bank, and sign it. Then bring relevant information to the Housing Authority for cancellation of mortgage registration. As long as the customer gives the information to the staff, the staff will review the information and release it on the spot after confirming it is correct. Besides the loan settlement certificate issued by the bank, other warrants, the Application Form for Cancellation of Real Estate Mortgage and the Application Form for Cancellation of Registration of Public (Private) Housing Mortgage in XX, the information that customers need to carry when handling mortgage procedures also includes personal ID card, house property certificate, XX Real Estate Mortgage Contract, State-owned Land Use Certificate and so on. If the client does not personally handle the mortgage, but entrusts others to handle it, then the trustee needs to bring his ID card and the power of attorney issued by the notary office in addition to the above information.