(a) Notwithstanding any provision of law to the contrary, a tenured professional at a state institution of higher education who is absent from duties at the institution to accept employment in a nonelected governmental capacity is afforded the benefits of academic tenure, rank and position as if he or she had remained continuously in the position retained and held at the institution immediately preceding the absence if the following conditions are met:
(1) The absence is approved by the president of the state institution of higher education by which the professional is employed;