Okla. Stat. tit. 59, § 46.26
It shall be unlawful for an architect to accept or receive compensation, directly or indirectly, from another than his or her client in connection with the reparation, alteration or construction of a building or structure in relation to which he shall have accepted employment in any manner.
Laws 1947, HB 149, p. 354, § 20, emerg. eff. April 16, 1947; Renumbered from 59 O.S. § 45.20 by Laws 1986, HB 1879, c. 287, § 32, emerg. eff. July 1, 1986; Amended by Laws 2014, SB 1724, c. 234, § 15, emerg. eff. July 1, 2014 (superseded document available).