The general mortgage refund process is: provide proof of the first house. If both husband and wife own two or more houses, they cannot apply; With the purchase contract and down payment invoice, issue a personal income tax payment letter in the financial department of the unit, and keep a copy and the original, and then register after handling the property right certificate; If the title certificate has been mortgaged in the bank, you need to go to the bank to issue relevant certificates, and provide the date of issuance of the title certificate and a copy of the title certificate stamped with the official seal; Proof of payment for house purchase issued by the loan bank, and print the monthly repayment flow.
After the completion of the property tax process, go to the local transaction for tax refund registration, and wait for the account after completion.