N.J. Stat. § 52:27D-126d
Notwithstanding the provisions of section 3 of P.L. 1979, c.121 (C.52:27D-126a), any municipality may, by ordinance, provide for a waiver of enforcing agency fees for any corporation which is (1) organized pursuant to the "New Jersey Nonprofit Corporation Act,"N.J.S. 15A:1-1 et seq. and (2) actively engaged in constructing or rehabilitating housing units for occupancy by low or moderate income households.
For the purposes of this act, "low income household" means a household in which the gross household income is equal to 50% or less of the median gross household income for households of the same size within the region in which the housing is located. "Moderate income household" means a household in which the gross household income is equal to more than 50% but less than 80% of the median gross household income for households of the same size within the region in which the housing is located.
N.J.S. § 52:27D-126d