Through the query of relevant information, it shows that the water conservancy construction fund put into storage in the last year of the system can deduct taxes. The water conservancy construction fund is based on the sales income or operating income of the previous year, and the newly-established enterprises without the previous year's income are assessed according to the income of the current year. If it is overstated, you can apply to the competent local tax department for tax refund or deduct it in the subsequent monthly declaration.

1, the water conservancy construction fund is paid on the basis of tax-free income.

2. Water conservancy construction fund is a government fund specially used for water conservancy construction. The water conservancy construction fund shall be accrued and paid according to the sales income.

3. The Ministry of Finance's Notice on Expanding the Exemption Scope of Government Funds in State Taxation Administration of The People's Republic of China, People's Republic of China (PRC) (Caishui [20 16] 12) stipulates that 1. The scope of exempting education surcharge, local education surcharge and water conservancy construction funds is changed from the current monthly sales or turnover not exceeding 30,000 yuan (quarterly sales or turnover not exceeding 90,000 yuan). Expand to those whose monthly sales or turnover does not exceed 654.38 million yuan (quarterly sales or turnover does not exceed 300,000 yuan). Now the monthly sales do not exceed150 thousand yuan, which can be exempted from the water conservancy construction fund. For specific information, please pay attention to official website for first-hand authoritative information.