https://law.justia.com/codes/new-jersey/2016/title-2c/section-2c-18-3/
2016 New Jersey Revised Statutes
Section 2C:18-3 - Unlicensed Entry Of Structures; Defiant Trespasser; Peering Into Dwelling Places; Defenses.
2C:18-3. a. Unlicensed entry of structures. A person commits an offense if, knowing that he is not licensed or privileged to do so, he enters or surreptitiously remains in any research facility, structure, or separately secured or occupied portion thereof, or in or upon utility company property, or in the sterile area or operational area of an airport. An offense under this subsection is a crime of the fourth degree if it is committed in a school or on school property. The offense is a crime of the fourth degree if it is committed in a dwelling. ....
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b.Defiant trespasser. A person commits a petty disorderly persons offense if, knowing that he is not licensed or privileged to do so, he enters or remains in any place as to which notice against trespass is given by:
(1)Actual communication to the actor; or
(2)Posting in a manner prescribed by law or reasonably likely to come to the attention of intruders; or