SDCL § 36-10-24: Unlicensed practice or use of title as misdemeanor.

It is a Class 2 misdemeanor for any person not licensed under this chapter as a physical therapist or as a physical therapist assistant, or whose license has been suspended or revoked, or whose licensure has lapsed, to engage in the practice of physical therapy, unless exempt under the provisions of this chapter or, use in connection with their name the words or letters L.P.T., Licensed Physical Therapist; D.P.T., Doctor of Physical Therapy; L.P.T.A., Licensed Physical Therapist Assistant; Physical Therapist; Physio Therapist; or any other letters, words, or insignia indicating or implying that the person is a physical therapist or a physical therapist assistant.