Legal analysis: According to the relevant provisions in the Measures for the Management of Maintenance Funds for Facilities and Equipment Used in Residential Areas, Article 6 The after-sales maintenance funds of public housing come from two parts: 1. Sales units should be drawn from sales funds according to a certain proportion. In principle, multi-storey houses should not be less than 20% of sales funds, and high-rise houses should not be less than 30% of sales funds. This part of the funds belongs to the selling unit. 2. Property buyers shall pay the maintenance fund to the selling unit according to the proportion of 2% of the purchase price. The maintenance fund collected by the selling unit belongs to all owners and is not included in the residential sales income. The specific measures for the management and use of the after-sales maintenance fund of public housing shall be jointly formulated by the municipal and county financial departments and the real estate administrative departments, and implemented after being reported to the local people's government for approval.

Legal basis: Article 6 * * * of the Administrative Measures for Maintenance Funds of Facilities and Equipment Used in Residential Areas comes from two parts: 1. The sales unit is extracted from the sales price according to a certain proportion. In principle, multi-storey houses should not be less than 20% of the sales price, and high-rise houses should not be less than 30% of the sales price. This part of the funds belongs to the selling unit. 2. Property buyers shall pay the maintenance fund to the selling unit according to the proportion of 2% of the purchase price. The maintenance fund collected by the selling unit belongs to all owners and is not included in the residential sales income. The specific measures for the management and use of the after-sales maintenance fund of public housing shall be jointly formulated by the municipal and county financial departments and the real estate administrative departments, and implemented after being reported to the local people's government for approval.