Okla. Stat. tit. 59, § 1618
The fees promulgated by the Board of Examiners for Speech-Language Pathology and Audiology shall be exclusive and no municipality shall have the right to require any person licensed under the provisions of the Speech-Language Pathology and Audiology Licensing Act to furnish any bond, pass any examination or pay any license fee or occupational tax.
Laws 1973, SB 227, c. 203, § 18, emerg. eff. May 17, 1973; Amended by Laws 1998, HB 3244, c. 202, § 19, emerg. eff. July 1, 1998 (superseded document available).