This is the relevant provision in the Measures for the Administration of Maintenance Funds for Facilities and Equipment Used in Residential Buildings:
Article 5 When a commercial house is sold, the buyer and the seller shall sign the relevant maintenance fund payment agreement. Property buyers should pay the maintenance fund to the selling unit according to the proportion of 2-3% 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.
Article 7 Maintenance funds shall be deposited in special bank accounts for special purposes. In order to ensure the safety of the maintenance fund, when the maintenance fund is idle, it is strictly forbidden to use it for other purposes except for purchasing government bonds or other scope stipulated by laws and regulations.
Article 9 When the owner handles the house ownership certificate, the commercial housing sales unit shall transfer the maintenance fund collected to the local real estate administrative department for escrow.