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.? An offense under this section is a crime of the fourth degree if it is committed in a research facility, power generation facility, waste treatment facility, public sewage facility, water treatment facility, public water facility, nuclear electric generating plant or any facility which stores, generates or handles any hazardous chemical or chemical compounds.? An offense under this subsection is a crime of the fourth degree if it is committed in or upon utility company property.? An offense under this subsection is a crime of the fourth degree if it is committed in the sterile area or operational area of an airport.? Otherwise it is a disorderly persons offense.