The board of trustees shall provide, by appropriate by-laws, for the presentation of charges, the reference thereof to a committee of the board of trustees or to others for hearings, the conduct of such hearings, and the report thereof on the basis of which the board of trustees shall take such action as it deems necessary or advisable.
A person who had acquired tenure in a position with the board of trustees and who is promoted therefrom to a higher position shall be fully restored to his lower position and tenure therein in the event his service is discontinued by the board of trustees during his probationary period in such higher position; upon restoration to such original position the time such person served in the higher position shall be credited for all purposes as if such service had been rendered in the original position.
N.Y. Educ. Law § 6210