No person may hold themselves out as an Athletic Trainer or as being able to practice Athletic Training or able to render athletic training services unless such person has been duly licensed by the Board. No person may use in connection with their name or place of business the letters "A.T.", "A.T.C.", "L.A.T.", "L.A.T.C", "Athletic Therapist", "Athletic Trainer", "Licensed Athletic Trainer", or "Licensed Athletic Therapist" when such person has not been duly licensed by the Board, or any other words, letters, abbreviations or insignia indicating that they are an Athletic Trainer when such person has not been duly licensed by the Board.
259 CMR, § 4.04