(a) No person may engage in the private, independent clinical practice of social work unless such person:
(1) Is licensed under this act as a specialist clinical social worker or specialist social worker; and
(2) has had two years' supervised experience approved by the board, pursuant to rules and regulations adopted by the board, as a licensed social worker in the specialty to be offered in private practice subsequent thereto.
(b) Any violation of this section shall constitute a class B misdemeanor.