According to the regulations, * * * used parts refer to the main load-bearing structural parts of houses, outdoor halls, stairwells and corridors. The maintenance fund is used for the maintenance, renewal and transformation of * * * used parts and * * * public equipment and facilities after the property warranty period expires. When Party B transfers the ownership of the house, the balance maintenance fund will not be refunded and will be transferred with the ownership of the house. The public maintenance fund for commercial housing is paid by the purchaser at the time of purchase, accounting for 2% of the purchase price. The new standard method will be implemented on February 6, 2008. Establishing maintenance fund is the guarantee mechanism to improve the maintenance of the use parts of the house. Residential properties, as well as non-residential properties in residential areas, shall pay special maintenance funds in accordance with state regulations. The maintenance funds shall be used for the maintenance, renewal and transformation of * * * parts of houses, public * * * equipment and public * * * facilities within the property management area after the expiration of the warranty period. It is generally collected by the developer and supervised by the housing management department. Ownership belongs to the purchaser and cannot be used for other purposes.

Legal objectivity:

Measures for the Administration of Residential Special Maintenance Funds Article 18 The residential special maintenance funds shall be earmarked for the maintenance, renewal and transformation of residential building parts and facilities after the expiration of the warranty period, and shall not be used for other purposes. Measures for the Administration of Special Maintenance Funds for Residential Buildings Article 21 Where the maintenance, renovation and renovation of parts and facilities of residential buildings involve unsold commercial housing, non-residential housing or public housing, the development and construction unit or public housing unit shall share the maintenance, renovation and renovation costs according to the construction area of unsold commercial housing or public housing.