The officer presiding at the hearing or such person as he/she may designate shall have power to administer oaths and issue subpoenas to compel the attendance of witnesses and the production of relevant evidence, including witnesses and documents presented by the parties, and the provisions of the County and Municipal Investigations Law, P.L. 1953, c. 38 (N.J.S.A. 2A:67A-1 et seq.), shall apply.