If the company defrauds the export tax rebate and the related legal person doesn't know it, you can keep the relevant evidence, report to the relevant departments, seek legal assistance, appeal to the company leaders and prove your innocence.

1. Keep relevant evidence: If you know that the company defrauded the export tax rebate, but the related legal person doesn't know, you should keep relevant evidence in time, such as relevant documents, bills, current vouchers, etc. In case of future needs.

2. Report to relevant departments: If the company is found to have defrauded the export tax rebate and the legal person is unaware of it, it can report to relevant departments, such as customs, tax bureau and industrial and commercial bureau. , provide relevant evidence you have and explain the situation so that relevant departments can investigate and verify it.

3. Seek legal aid: If the company is suspected of defrauding the export tax rebate, and the related legal person is unaware of it and involves legal issues, it can seek professional legal aid, such as the help of lawyers, to safeguard its rights and interests.

4. Complain to the company leader: If you are a shareholder or an executive of the company, you can complain to the company leader that the company defrauded the export tax rebate and called the legal person without knowing it, asking the company to investigate the matter.