N.J. Stat. § 39:3-76.2n: Violations considered secondary offense.

3. Enforcement of the provisions of subsection c. of section 2 of P.L.1984, c.179 (C.39:3-76.2f) by State or local law enforcement officials shall be accomplished by treating a violation thereof only as a secondary offense when a driver of a passenger automobile has been detained for some other suspected violation of Title 39 of the Revised Statutes or other law. Each rear seat passenger 18 years of age or older of a passenger automobile shall be responsible for any fine imposed pursuant to section 6 of P.L.1984, c.179 (C.39:3-76.2j) for failure to wear a seat belt pursuant to subsection c. of section 2 of P.L.1984, c.179 (C.39:3-76.2f).

L.2009, c.318, s.3.