Every corporation which has not submitted satisfactory proof to the Division of Taxation that it is operating on a basis other than a calendar year accounting period for Federal income tax purposes, shall be deemed to be operating on the basis of a calendar year accounting period.
N.J. Admin. Code § 18:7-2.8
See: 11 N.J.R. 40(d), 11 N.J.R. 150(b).