Section 171. Any individual not licensed under sections one hundred and sixty-three to one hundred and seventy-two who on March first, nineteen hundred and eighty-nine holds himself out to be or advertises himself as a licensed marriage and family therapist, rehabilitation therapist, educational psychologist or mental health counselor in violation of this chapter shall be punished by a fine not exceeding five hundred dollars for the first offense and five hundred dollars for each subsequent offense; provided, however, that the board may also proceed in the superior court to enjoin and restrain any unlicensed individual violating any section of this chapter. The board shall not be required to post bond at any such proceeding.