Overhaul fund is also called maintenance fund, and each region has its own terms on the scope of use of maintenance fund. The usual scope and time of use are: 1, renovation of public facilities after the warranty period; 2. Maintenance of public facilities after the warranty period, that is, all public facilities and equipment except your own proprietary parts and other proprietary parts of the owner, such as elevators, generators, fire-fighting equipment, etc.

Overhaul fund (algorithm) payment standard: the owners of commercial residential houses and non-residential houses shall deposit special maintenance funds according to the construction area of their own properties, and the deposit amount of the first special maintenance funds for houses shall be 5% to 8% of the construction cost per square meter of construction area/local residential building installation project. The competent departments of construction (real estate) of the people's governments of municipalities directly under the central government, cities and counties shall, according to local conditions, reasonably determine and announce the amount of the first-phase residential special maintenance fund deposited per square meter of construction area, and make timely adjustments.