1. The mortgagor and mortgagee sign the written deed of house;
2. Both parties shall apply for mortgage registration at the Housing Authority where the house is located with the house ownership certificate and identity documents.
legal ground
Article 44 of the Guarantee Law stipulates that the following documents or copies thereof shall be provided to the registration department for the registration of collateral: (1) the main contract and the mortgage contract; (2) Proof of ownership or right to use the mortgaged property.