The council may hold hearings in any part of the State and by its subpena may compel the attendance of witnesses and the production of books, papers and records. It shall be entitled to the assistance and services of any State, county, municipal and school district employees as may be required, and the council may employ competent counsel, expert advisers and any other assistants as may be required for the proper accomplishment of the purposes of this act, provided that the compensation to be paid to the counsel, advisers and assistants shall be within the limits of the appropriation made therefor.
N.J.S. § 38A:3-21