N.J. Stat. Ann. § 19:44A-29.1

6. For the purpose of contribution and expenditure limits established pursuant to P.L.1973, c.83 (C.19:44A-1 et seq.), limits on contributions to and expenditures of the joint candidates for election to the offices of Governor and Lieutenant Governor shall be considered and treated as contributions to and expenditures of one candidate and those two candidates shall establish only one candidate committee.