Wis. Stat. § 460.02

Except as provided in s. 460.03 , no person may designate himself or herself as a massage therapist or bodyworker, or use or assume the title "massage therapist and bodyworker" or "massage therapist" or "bodyworker" or any title that includes "massage therapist" or "bodyworker," or append to the person's name the letters "M.T.," "C.M.T.," "B.W.," or "C.B.W.," or use any other title or designation that represents or may tend to represent that he or she is certified under this chapter, unless the person is certified under this chapter.