N.J. Stat. § 44:7-89
Supplementary payments shall not be considered a loan by the State or by the welfare boards. No requirement under Title 44 or Title 30 of the Revised Statutes relating to the pledging of property or to the reimbursement of assistance shall be imposed upon, and no liens shall be made or enforced against, a recipient of supplementary payments for the purpose of recouping any amount of such payments. No requirement of support, contribution, or legal liability therefor, may be made, placed upon, or enforced against a legally liable relative of a person receiving supplementary payments or other payments made by the welfare boards pursuant to Title 44 of the Revised Statutes. Any lien against a recipient of assistance from a welfare board to enforce an obligation, which arose prior to January 1, 1974, under the current programs of "Old Age Assistance," "Assistance for the Blind," or "Permanent and Total Disability Assistance" which is perfected on or before April 1, 1974, or any delinquency in payment due the welfare board by a legally liable relative under the current programs which has accrued prior to January 1, 1974, shall remain in full force and effect and shall be enforceable and collectible by the commissioner or by the welfare board which filed the lien.
N.J.S. § 44:7-89