N.J. Stat. Ann. § 12:3-38

The board of commerce and navigation may, upon petition of any riparian owner, investigate the facts relative to any lease or grant of riparian lands purporting to have theretofore been made under authority of any legislative act for the purpose of determining whether or not it is equitable and just that a confirmatory lease or grant shall be made to ratify and confirm to the petitioner the title to lands under water adjacent to the ripa of the petitioner and within the area of lands covered by a prior lease or grant through which the petitioner claims title to the lands under water for which a confirmatory lease or grant is required.