Utah Code § 58-40-501
Unlawful conduct.
"Unlawful conduct" includes: (1) providing, leading, facilitating, teaching, or offering to provide or teach recreational therapy services unless licensed under this chapter or exempted from licensure under Section 58-1-307 or 58-40-305; and (2) using the initials MTRS, TRS, or TRT, or other abbreviation, term, title, or sign relating to the practice of recreational therapy services unless licensed under this chapter.