N.J. Stat. § 18A:16-1.1d
Current through L. 2023, c. 320.
A vacant teaching position shall not be filled in any school year by one or more individuals employed as substitute teachers and holding a standard instructional certificate issued by the State Board of Examiners and working in an area not authorized by their credentials for a total amount of time exceeding 40 school days.
N.J.S. § 18A:16-1.1d