New Jersey Statutes Title 2C. The New Jersey Code of Criminal Justice 2C § 33-23.3

a. (1) A person commits a disorderly persons offense if, without license or privilege to do so, he knowingly intercepts a signal transmitted by an automatic vehicle location system which identifies the current location of a law enforcement vehicle.

(2) A person commits a disorderly persons offense if, without license or privilege to do so, he knowingly discloses information provided by a signal transmitted by an automatic vehicle location system which identifies the current or prior location of a law enforcement vehicle to a person who is not authorized to receive or access such information.

(3) A person commits a crime of the fourth degree if he uses information provided by a signal transmitted by an automatic vehicle location system which identifies the current or prior location of a law enforcement vehicle for an unlawful purpose.

b. (1) This section shall not in any way limit the authority of any law enforcement officer acting within the scope of his official duties.

(2) It shall not be deemed an unlawful purpose for any person to use information provided by a signal transmitted by an automatic vehicle location system which identifies the prior location of a law enforcement vehicle to evaluate or examine the operations of a law enforcement agency; provided, however, that nothing in this act shall be deemed to authorize any person to receive or access information provided by a signal transmitted by an automatic vehicle location system which identifies the location of a law enforcement vehicle if such receipt or access could reasonably jeopardize the safety of a law enforcement officer or the public, or compromise the integrity of any ongoing investigation.