New Jersey Statutes Title 2A. Administration of Civil and Criminal Justice 2A § 44A-5

a. For materials that have been furnished or delivered subject to a security agreement which has been entered into pursuant to Chapter 9 of Title 12A of the New Jersey Statutes (N.J.S. 12A:9-101 et seq.);

b. For public works or improvements to real property contracted for and awarded by a public entity; provided, however, that nothing herein shall affect any right or remedy established pursuant to the “municipal mechanic's lien law,” N.J.S. 2A:44-125 et seq.;

c. For work, services, material or equipment furnished pursuant to a residential construction contract unless there is strict compliance with sections 20 and 21  1 of this act.