Legal analysis: It takes one to three working days to pay off the mortgage, and the bank will issue the settlement procedures within 1-3 working days. With the settlement procedures, you can go to the real estate bureau to complete the mortgage cancellation, and then you can go through other transfer procedures. 1. Pay off the loan first, issue a repayment certificate in triplicate, and get the real estate license. Materials loan contract, ID card, bank card. 2. Take the repayment voucher to the bank for other warrants (original), and the bank will issue a power of attorney. 3. Go to the real estate trading center. Bring the repayment certificate, real estate license and other related materials to the trading center for processing.

Legal basis: Article 88 of the Detailed Rules for the Implementation of the Tax Administration Law of People's Republic of China (PRC) stipulates that the time limit for tax authorities to take tax preservation measures shall generally not exceed six months.