New Jersey Statutes Title 18A. Education 18A § 58-37.4

a. Textbooks which are loaned to students enrolled in grades kindergarten through 12 of any nonpublic school shall be textbooks which are used in any public elementary or secondary school of the State or are approved by any board of education. Such textbooks are to be loaned without charge to such children subject to such rules and regulations as are, or may be adopted by the commissioner and such board of education.

b. When a textbook has been designated for use in a school district such textbook shall not be superseded by any other book, prior to the expiration of 5 years following such designation, except upon the authorization of the board of education.