Legal analysis: the charging standard of public maintenance fund for shops: the amount of the first residential special maintenance fund deposited by shops per square meter of construction area is 5% to 8% of the local residential construction and installation project per square meter. The collection standard of public * * * maintenance fund shall be determined by local real estate authorities according to local conditions, and shall be paid according to the proportion of 2% ~ 3% of the total purchase price of the buyer. The public * * * maintenance fund collected belongs to all owners of the community and is not included in the housing sales income.

Legal basis: Article 7 of the Measures for the Administration of Special Maintenance Funds for Residential Houses, the owners of commercial houses and non-residential houses shall deposit special maintenance funds for residential houses according to the construction area of their own properties, and the amount of the first special maintenance funds for residential houses shall be 5% to 8% of the cost per square meter of local residential construction and installation projects.

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.