N.J. Stat. Ann. § 26:8A-9

9. The State registrar shall cause all Affidavits of Domestic Partnership and Certificates of Domestic Partnership received to be alphabetically indexed by the surname of one of the partners, and shall establish a cross-referencing system to allow the records to be identified by the surname of the second partner. The State registrar shall also cause to be transcribed or otherwise recorded from the certificates any of the vital facts appearing thereon as the commissioner may deem necessary or useful.