1. To apply for a real estate certificate, you need to pay a commercial house maintenance fund. The house maintenance fund must be paid when the house is delivered for use, and it needs to be paid before applying for a real estate certificate.

2. According to the "Measures for the Management of Special Residential Maintenance Funds", owners of commercial housing should deposit the first phase of special residential maintenance funds into the special residential maintenance fund account before going through the house check-in procedures.

Owners of sold public housing should deposit the first installment of the special housing maintenance funds into the public housing special maintenance fund account before going through the house check-in procedures, or have the house selling unit deposit it into the public housing special maintenance fund account.

Public-owned housing sales units shall deposit the special housing maintenance funds withdrawn into the public-owned housing special housing maintenance fund account within 30 days from the date of receipt of the house sales payment.