N.J. Stat. § 30:8-44
In any county in which the governing body, by ordinance or resolution, as appropriate, approves the application of this act and designates a county work release administrator who may be the sheriff, warden or other person, a person convicted of any offense, except as otherwise provided in section 2 of P.L. 1994, c.153 (C.30:8-44.1) and sentenced to the county jail, workhouse or penitentiary of the county or a person incarcerated in the county jail, workhouse or penitentiary pursuant to the Rules of Court for contempt of an order or judgment issued by the Superior Court, Chancery Division, Family Part may be placed at outside labor or permitted to attend a vocational training course operated or sponsored by a public or private agency in the county by order of the court by which the sentence or order of incarceration was imposed, or by the assignment judge of the county in which the sentence or order of incarceration was imposed, at the time such person is sentenced or incarcerated or at any time thereafter during the term of the sentence or term of incarceration. A work release order may include permission for release from confinement during specified hours to care for the offender's family. Such order may be revoked by the court which granted it at any time.
The Department of Corrections shall prepare and enforce regulations for the operation of this act in accordance with the provisions thereof.
N.J.S. § 30:8-44