New Jersey Statutes Title 11A. Civil Service 11A § 6-1

The Civil Service Commission shall designate the types of leaves and adopt rules for State employees in the career and senior executive services regarding procedures for sick leave, vacation leave and other designated leaves with or without pay as the Civil Service Commission may designate.  Any political subdivision subject to the provisions of this title shall prepare procedures regarding these items.

In all cases, a leave of absence with or without pay shall not exceed a period of one year at any one time unless renewal or extension is granted upon written approval of the commission.