1. When a commercial house is sold, the buyer and the seller should sign an agreement on the payment of maintenance funds. The buyer should pay the maintenance fund to the seller at a rate of 2-3% of the purchase price.

2. The maintenance base metal collected by the selling unit is owned by all owners *** and is not included in the residential sales income.

3. The current standards for depositing the first phase of special maintenance funds are: 90 yuan/square meter for high-rise buildings (including multi-story buildings with elevators) and 50 yuan/square meter for multi-story buildings (including villas).

There are also some cities that charge 20 yuan/square meter for multi-story buildings. For details, you can call the staff of the local housing authority.