The supervisors of a labor union shall conduct financial audit, both regularly and irregularly. When there is a board of supervisors in a labor union, such audit shall be conducted by the board of supervisors.
Financial audit conducted by the union members or member representatives of the financial conditions of a union shall be in accordance with Article 29 of the Act.
In case the supervisors or the board of supervisors refuse to jointly conduct such a financial audit, it shall be handled in accordance with the by-laws prescribed by the members or member representatives meetings concerning such an audit.

The competent authorities may commission professional individuals or groups to conduct the financial audit of a union on their behalf.

The auditing of financial matters of a labor union includes:
1. Accounting vouchers.
2. Accounting books.
3. Accounting reports.
4. Budget and closing.
5. Property safekeeping.
6. Valuation of various assets, liabilities, and net worth.
7. Financial matters mentioned in members’ related complaints.
8. Matters concerning government subsidies.
9. Other financial-related matters.