Legal analysis: Banking financial institutions shall review and approve loans based on the results of advance registration. If pre-sale commercial houses have not gone through advance registration and mortgage advance registration, banking financial institutions shall not approve and grant loans. The tax department can use the advance registration results to carry out tax collection-related work. Where conditions are met, advance notice registration for pre-purchase commercial housing and mortgage advance registration for advance purchase of commercial housing, transfer advance notice registration and mortgage advance notice registration, and advance notice registration transfer registration can be combined.

Legal basis: "Regulations on House Registration of the People's Republic of China" Article 67 Under any of the following circumstances, the party concerned may apply for advance notice registration:

(1) Pre-purchase of commercial housing;

(2) Setting up a mortgage with pre-purchase of commercial housing;

(3) Transfer and mortgage of house ownership;

(4) Laws and regulations other situations.