5. a. The Director of the Division of Taxation in the Department of the Treasury shall adopt regulations in accordance with the "Administrative Procedure Act," P.L.1968, c.410 (C.52:14B-1 et seq.) and prescribe forms to administer the provisions of this act.
b. Notwithstanding the provisions of P.L.1968, c.410 to the contrary, the director may adopt, immediately upon filing with the Office of Administrative Law, such regulations as the director deems necessary to implement the provisions of this act, which regulations shall be effective for a period not to exceed 180 days from the date of the filing. The regulation may thereafter be amended, adopted or readopted by the director as the director deems necessary in accordance with the requirements of P.L.1968, c.410.