A practitioner shall conspicuously display the practitioner's license to practice chiropractic at the office of the practitioner. Source: SDC 1939, § 27.0507; SL 1939, ch 101 , § 3; SDC Supp 1960, § 27.0503; SL 1998, ch 224 , § 1; SL 2021, ch 173 , § 17.