Legal analysis: When the buyer purchases the house from the developer and handles the property right transfer, he will pay it to the commercial bank designated by the real estate administrative department of the city where the house is located according to the standard of 2%-3% of the total house price or per square meter 100-200 yuan. The specific collection standard of maintenance funds is determined by the local real estate administrative departments according to local conditions.

Legal basis: Measures for the Administration of Maintenance Funds for Facilities and Equipment in Residential Areas Article 5 When selling commercial houses, the buyer and the seller shall sign an agreement on payment of maintenance funds.