N.J. Stat. § 2A:62-20
A person in the peaceable possession of lands in this state, claiming ownership thereof in fee simple under a deed therefor, or by or under descent or devise from the grantee thereof, which deed contains no covenants, conditions or agreements for the forfeiture and payment of money or penalties on breach thereof, or restrictions therein, may, when it is claimed or asserted by anyone that such lands are subject to covenants, conditions or agreements for the forfeiture and payment of money or penalties on breach thereof, or restrictions, contained in earlier deeds in the chain of title, and no action is pending to enforce or test the existence or validity of such covenants, conditions, agreements or restrictions, maintain an action in the superior court to settle the existence and validity thereof, and to clear up all doubts and disputes concerning the same.
N.J.S. § 2A:62-20