The director shall, pursuant to the "Administrative Procedure Act," P.L. 1968, c.410 (C.52:14B-1 et seq.), adopt rules and regulations necessary to implement this act and the purposes thereof, including the extension of, for cause shown by general regulation or individual authorization, the time of filing a return for a time not exceeding three months on such terms and conditions as the director may require.
N.J.S. § 40:54D-11