Zhengzhou 1, if it is verified that the tax declared and paid is wrong, it should immediately contact the tax authorities to consult a more suitable and feasible solution; 2. Generally speaking, if the amount of tax involved is small, and the tax wrongly declared and paid does not affect the taxpayer's working capital at all, you can immediately re-declare the tax according to the correct method, and at the same time apply to the tax authorities for tax refund according to law; 3. If the amount of tax involved is large, and the normal operation of taxpayers will be affected by the above-mentioned treatment, then you should get an understanding with the tax authorities in time, apply for more appropriate adjustment of the declaration method (such as supplementary declaration of the difference or application for tax refund for the overpaid part), and operate after approval by the tax authorities; Please check the declared taxes several times and pay the relevant taxes according to law.