Article 5 of the Measures for the Management of Maintenance Funds for Facilities and Equipment in Residential Areas stipulates that when a commercial house is sold, the buyer and the seller shall sign a maintenance fund payment agreement. Property buyers shall pay the maintenance fund to the selling unit according to the proportion of 2%-5.2% of the purchase price. The maintenance fund collected by the selling unit belongs to all owners and is not included in the residential sales income. The collection ratio of maintenance funds shall be determined by the real estate administrative departments of the people's governments of provinces, autonomous regions and municipalities directly under the Central Government.

Domestic commercial housing should establish a housing maintenance fund and raise it according to regulations:

(1) The house seller shall pay the house maintenance fund in one lump sum at 3% of the cost price of multi-storey building area and 4% of the cost price of high-rise building area.

(2) The purchaser shall pay the housing maintenance fund in the first phase at 2.5% of the construction area cost of multi-storey buildings and 3% of the construction area cost of high-rise buildings.

(3) The house occupied or rented by the development unit shall be paid according to the construction area of the house occupied or rented in accordance with the provisions in Items (1) and (2) of this paragraph.