(1) To the extent a supervising physician's prescribing privileges have been limited by any state or federal authority, either involuntarily or by the physician's agreement to such limitation, the physician assistant will be similarly limited in his or her prescribing privileges, unless otherwise authorized in writing by the board.

(2) The osteopathic physician assistant shall notify their sponsoring physician whenever the osteopathic physician assistant is the subject of an investigation or disciplinary action by the board. The board may notify the sponsoring physician or other supervising physicians of such matters as appropriate.