Whenever a municipal or county governing body, any committee thereof, any board, commission, officer or body of any county, municipality, school district, or other special district or ad hoc local authority, is authorized or required by law to conduct any hearing or investigation, take testimony or make any determination affecting the rights, property, or obligations of any person, it may proceed in accordance with this act which shall be construed as in addition to and not in lieu of any other procedure provided by law.
N.J.S. § 2A:67A-1