Section 77.15.590 - Commercial fishing vessel-Unlawful use for recreational or charter fishing-Penalty(1) A person is guilty of unlawful use of a commercial fishing vessel, except as may be authorized by rule of the commission, for recreational or charter fishing if the person uses, operates, or controls a vessel on the same day for both: (a) Charter or recreational fishing; and(b) Commercial fishing or shellfish harvesting.(2) Unlawful use of a commercial fishing vessel for recreational or charter fishing is a gross misdemeanor.