A massage therapist or massage therapy school shall include the number of the license or registration and the designation as a "licensed massage therapist" or "registered massage therapy school" in any advertisement of massage therapy services as established by board rule. History: Laws 1991, ch. 147, § 21; 1993, ch. 173, § 17; 1999, ch. 240, § 17; 2019, ch. 40, § 9.