N.J. Stat. § 18A:6-50
For the purpose of defraying the necessary expenses of the association, the various district boards shall pay the necessary expenses incurred by its delegates, and shall appropriate annually such sums for dues as may be assessed by the association at any delegates meeting. The assessment of dues shall be made upon a graduated scale and shall be made only upon two-thirds vote of the delegates present at such delegates meeting, after notice of the taking of such vote shall have been given to each district board in writing at least 60 days before such delegates meeting. However, the dues assessed any board of education shall not be increased for any year by more than 33 1/3% of the dues assessed that board during the preceding year. Dues shall be payable by the board secretary or treasurer of school moneys of the school district, as appropriate, to the treasurer of the association.
N.J.S. § 18A:6-50