Legal basis: Article 1 of the Measures for the Administration of Special Maintenance Funds for Residential Buildings stipulates that the owners of commercial residential buildings and non-residential buildings shall deposit special maintenance funds for residential buildings according to the construction area of their own properties, and the amount of the first special maintenance funds for residential buildings shall be 5% to 8% of the cost per square meter of local residential buildings and facilities. 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.