Okla. Stat. tit. 21, § 856.2

It shall be unlawful for any person to knowingly and willfully harbour an endangered runaway child. Any person violating the provisions of this section shall, upon conviction, be guilty of a misdemeanor punishable by a fine not exceeding One Thousand Dollars ($1,000.00), or by imprisonment in a county jail not exceeding one (1) year, or by both such fine and imprisonment. Every person convicted of a second or any subsequent violation shall, upon conviction, be guilty of a Class D2 felony offense punishable by a fine not exceeding Five Thousand Dollars ($5,000.00), or by imprisonment as provided for in subsection C of Section 20O of this title, or by both such fine and imprisonment. For purposes of this section, an “endangered runaway child” means an unemancipated minor who is voluntarily absent from the home for seventy-two (72) hours or more without a compelling reason and without the consent of a custodial parent or other custodial adult or an unemancipated minor who is voluntarily absent from the home without a compelling reason and without the consent of a custodial parent or other custodial adult and the child needs medication or other special services. For purposes of this section, “compelling reason” shall be defined as provided in Section 856 of Title 21 of the Oklahoma Statutes.