Article 7 of the Measures for the Administration of Special Maintenance Funds for Houses promulgated by the Ministry of Construction and the Ministry of Finance: The owners of commercial houses and non-residential houses shall deposit special maintenance funds for houses according to the construction area of the property they own.

The area on the property certificate is the basis for paying the housing maintenance fund. Basement housing into the property certificate area, according to the provisions of the payment of housing maintenance fund.