New Jersey Administrative Code
Title 13 - LAW AND PUBLIC SAFETY
Chapter 24 - EQUIPMENT FOR EMERGENCY VEHICLES AND OTHER SPECIFIED VEHICLES
Subchapter 2 - EMERGENCY LIGHTS AND SIRENS; RED EMERGENCY LIGHT AND SIREN PERMITS
Section 13:24-2.3 - Siren, whistle, or bell on vehicles

1. An authorized emergency vehicle may be equipped with a siren, whistle, or bell to be utilized when such vehicle is operated in response to a fire or emergency call. Police vehicles may also use a siren, whistle, or bell in pursuit of an actual or suspected violator of the law. Vehicles bearing governmental registration, when being operated by a county medical examiner or his or her deputy, assistant, or investigator to travel to the scene of a death in accordance with 52:17B-87, may use a siren during such time of operation. Vehicles bearing governmental registration, when being operated by a fire official or fire inspector as defined in 5:71-1.4 to travel to the scene of a fire or explosion in accordance with 5:71-3.3, may use a siren during such time of operation. A permit is not required for an authorized emergency vehicle equipped with a siren, whistle, or bell.

2. A vehicle authorized by a permit issued by the Chief Administrator may be equipped with a siren to be utilized for answering a fire or emergency call.

3. A theft alarm signal device which is installed so that it cannot be used by the driver as an ordinary warning signal may be installed on any vehicle in accordance with 39:3-69.