N.J. Stat. Ann. § 2A:17-51

On presentation of the execution mentioned in section 2A:17-50 of this title by the officer to whom delivered, for collection to the person or persons from whom such wages, debts, earnings, salary, income from trust funds or profits are due and owing, or thereafter become due and owing to the judgment debtor, such execution shall become a lien and a continuing levy upon the wages, debts, earnings, salary, income from trust funds or profits due or to become due to such judgment debtor to the amount specified therein.