According to the accounting school network, the water conservancy construction fund is a government fund specially used for water conservancy construction, and the tax basis of the water conservancy construction fund is that the income excluding tax is levied monthly. Enterprises, institutions and individual operators with sales income and operating income shall collect local water conservancy construction funds according to 0.6‰ of their sales income or operating income in the previous year. Since this special income has a reduction or exemption policy, the policies of each city are subject to local requirements.
Water conservancy construction fund is a government fund specially used for water conservancy construction, and its tax basis is not less than 15% of the funds collected from urban maintenance and construction tax. According to the Interim Measures for the Administration of Raising and Using Water Conservancy Construction Funds Article 4 Sources of local water conservancy construction funds:
(1) Withdraw 3% from local government funds (fees and surcharges). The local government funds (fees and surcharges) that should be withdrawn from the water conservancy construction fund include: road maintenance fees, highway construction funds, vehicle tolls, highway transportation management fees, driver training fees of local transportation and public security departments, local shared power construction funds, market management fees, individual industrial and commercial management fees, land acquisition management fees, and municipal facilities supporting fees;
(2) Cities with key flood control tasks should arrange urban maintenance and construction tax of not less than 15% for urban flood control construction. The specific proportion shall be determined by the people's governments of provinces, autonomous regions and municipalities directly under the Central Government.