Legal analysis: Generally speaking, a certain proportion of funds are extracted as maintenance funds according to the price of commercial housing. When purchasing a house from a developer and handling the transfer of property rights, the buyer shall pay the house maintenance fund to the seller according to the standard of 2% ~ 3% of the total house price or 0/00 per square meter/kloc to 200 yuan.

Legal basis: Measures for the Administration of Residential Special Maintenance Funds

Eighteenth residential special maintenance funds should be earmarked for residential * * * parts, * * facilities and equipment maintenance and renovation after the expiration of the warranty period, and shall not be used for other purposes.

Nineteenth residential special maintenance funds should be used in accordance with the principles of convenience, openness and transparency, and the beneficiaries and the burden subjects should be the same.