Okla. Stat. tit. 59, § 1850.7
No person shall engage or offer to engage in, by advertisement or otherwise, any mechanical work as a journeyman or contractor who does not possess a valid and appropriate license from the Construction Industries Board. No business entity shall act as a mechanical firm unless a contractor is associated with and responsible for all mechanical work of such entity.
Laws 1987, HB 1136, c. 93, § 7, eff. November 1, 1987; Amended by Laws 2001, SB 354, c. 394, § 58, eff. January 1, 2002 (superseded document available).