N.J. Stat. Ann. § 26:1A-22

Each local board of health may appoint one or more of its members, officers, or employees as a delegate or delegates to attend the annual conference. The actual traveling and hotel expenses of each delegate shall be paid by the treasurer or other disbursing officer of the municipality within which the local board has jurisdiction, upon presentation by each delegate of a certificate of his appointment and a bill of his expenses duly verified by affidavit.