Employees serving in the unclassified service in any of the positions subject to paragraph (1) of this subsection, other than the titles of all Section Chief, Environmental Protection positions, on the date of assignment or reassignment of such titles, shall be appointed to the classified service through the non-competitive interim appointment process, and upon completion of the working test periods therefor, the positions shall be reallocated to the competitive division of the classified service.
N.J.S. § 13:1D-13.3