Legal analysis: you can report to the local tax authorities anonymously or in real name (national tax or local tax), and it is best to provide relevant evidence; 1. Informants can report by letter, telephone or interview. When reporting, I should explain my name, ID number, work unit, home address and other relevant information to the local tax authorities that accept tax evasion cases. If two or more persons report jointly, they shall explain their respective above-mentioned situations separately for inspection. 2. When the local tax authorities accept the reported cases and reward informants, they must keep confidential the informants and ensure that their names, ID numbers, work units, home addresses and reporting contents are not disclosed. 3. The local tax authorities shall, according to the clues provided by the informer, determine the informer and the reward amount within 10 days after the case is closed. 4. Local tax authorities should strictly verify when rewarding informants to prevent bonuses from being defrauded. Due to the dereliction of duty of the tax authorities and their staff, resulting in the bonus being defrauded, the main leaders of the unit and the person directly responsible shall be given administrative sanctions; If a crime is constituted, criminal responsibility shall be investigated according to law.

Legal basis: People's Republic of China (PRC) Criminal Law.

Article 190 If a state-owned company, enterprise or other state-owned unit, in violation of state regulations, deposits foreign exchange abroad without authorization, or illegally transfers domestic foreign exchange abroad, if the circumstances are serious, it shall be fined, and the directly responsible person in charge and other directly responsible personnel shall be sentenced to fixed-term imprisonment of not more than five years or criminal detention.

Article 201 A taxpayer who makes a false tax return or fails to make a tax return by deception or concealment and evades paying a large amount of tax, accounting for more than 10% of the tax payable, shall be sentenced to fixed-term imprisonment of not more than three years or criminal detention and shall also be fined; If the amount is huge, accounting for more than 30% of the tax payable, he shall be sentenced to fixed-term imprisonment of not less than three years but not more than seven years and shall also be fined.

If the withholding agent fails to pay or underpays the tax withheld or collected by the means listed in the preceding paragraph, and the amount is relatively large, it shall be punished in accordance with the provisions of the preceding paragraph.

If the acts mentioned in the preceding two paragraphs are carried out many times without being dealt with, they shall be calculated according to the accumulated amount.

Whoever commits the act mentioned in the first paragraph, after the tax authorities have issued a notice of recovery in accordance with the law, pays back the tax payable and the overdue fine, and is subject to administrative punishment, shall not be investigated for criminal responsibility; Except for those who have received criminal punishment for tax evasion within five years or have been given administrative punishment by tax authorities for more than two times.