No practitioner of the healing arts shall knowingly and willfully solicit or receive any remuneration directly or indirectly, in cash or in kind, in return for referring an individual or individuals to a facility or institution as defined in § 37.2-100 or a hospital as defined in § 32.1-123. The Board shall adopt regulations as necessary to carry out the provisions of this section. Such regulations shall exclude from the definition of “remuneration” any payments, business arrangements, or payment practices not prohibited by Title 42, Section 1320a-7b (b) of the United States Code, as amended, or any regulations promulgated pursuant thereto.