NEW YORK STATE LAW

ARTICLE 12
OTHER PROVISIONS
397.___ Equipping motor vehicles with radio receiving sets capa-
ble of receiving signals on the frequencies allocated for police use.

Summary: You can not have a scanner in a car in N.Y.

NEW JERSEY

2C:33-21. Interception or use of official communications 1. Any person who intercepts any message or transmission made on or over any police, fire or emergency medical communications system, or any person who is the recipient of information so intercepted, and who uses the information obtained thereby to facilitate the commission of or the attempt to commit a crime or a violation of any law of this State, or uses the same in a manner which interferes with the discharge of police operations, shall be guilty of a crime of the fourth degree.

2C:33-22. Possession of emergency communications receiver 2. Any person who, while in the course of committing or attempting to commit a crime, including the immediate flight therefrom, possesses or controls a radio capable of receiving any message or transmission made on or over any police, fire or emergency medical communications system, shall be guilty of a crime of the fourth degree.

Summary: You shouldn't have to worry about having a scanner in a car while your in N.J. unless you are commiting a crime while you have the scanner.