A public company engaging in derivatives trading shall establish a log book in which details of the types and amounts of derivatives trading engaged in, board of directors approval dates, and the matters required to be carefully evaluated under subparagraph 4 of Article 20 and subparagraph 2 of paragraph 1, and subparagraph 1 of paragraph 2, of the preceding article shall be recorded in detail in the log book.
A public company's internal audit personnel shall periodically make a determination of the suitability of internal controls on derivatives and conduct a monthly audit of how faithfully derivatives trading by the trading department adheres to the procedures for engaging in derivatives trading, and prepare an audit report. If any material violation is discovered, all supervisors shall be notified in writing.
Where independent directors have been appointed in accordance with the provisions of the Act, for matters for which notice shall be given to the supervisors under the preceding paragraph, written notice shall also be given to the independent directors.
Where an audit committee has been established in accordance with the provisions of the Act, the provisions of paragraph 2 relating to supervisors shall apply mutatis mutandis to the audit committee.