1 20 10, the Interim Measures for the Use of Special Maintenance Funds for Commercial Residential Buildings, which came into effect on June 1 0, stipulates that the special maintenance funds for commercial residential buildings shall be owned by the owners, and shall be used exclusively for the maintenance, renewal and transformation of residential buildings and facilities after the warranty period expires, and shall not be used for other purposes.

2. General use parts include: basic structural parts such as residential foundation, load-bearing wall, column, beam, floor, roof and outdoor wall, public transportation parts such as corridors, foyer, stairs and lobby, and structural parts such as refuge floor, equipment floor or computer room.

3. * * General facilities include elevators, antennas, lighting, fire-fighting facilities, green spaces, roads, street lamps, ditches, pools, wells, non-operating parking garages, public cultural and sports facilities, garbage passages, smoke exhaust passages, water tanks, pumps, mailboxes, lightning protection devices, fire extinguishers, fire hydrants, drainage pipes, manholes and septic tanks.

4. The relevant person in charge of the Municipal Housing and Construction Bureau specifically pointed out that the public * * * maintenance fund is used for overhaul, medium repair and renovation of * * old parts and * * old equipment and facilities after the property warranty period expires.