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§ 24-237 Sound signal devices.
   (a)   No person shall operate or use or cause to be operated or used any claxon installed on a motor vehicle, except as a sound signal of imminent danger or in connection with use as an audible motor vehicle burglar alarm as provided in section 24-238 of this code.
   (b)   No person shall operate or use or cause to be operated or used an air horn or gong installed on any motor vehicle other than as provided in section 24-241 of this code.
   (c)   No person shall operate or use or cause to be operated or used any steam whistle attached to any stationary boiler, except to give notice of the time to start and stop work or as a sound signal of imminent danger.
   (d)   No person shall operate or use or cause to be operated or used on any public right-of-way any electrically operated or electronic sound signal device (other than a safety device, such as but not limited to a car horn or back up signal, that is actually used for its intended purpose) attached to, on or in a motor vehicle, wagon or manually propelled cart from which food or any other items are sold or offered for sale when the vehicle is stopped, standing or parked. For the purposes of this subdivision the term "stopped" means the halting of a vehicle, whether occupied or not, except when necessary to avoid conflict with other traffic or in compliance with a police officer or other authorized enforcement officer or a traffic control sign or signal. The terms "standing" and "parked" shall be as defined in the vehicle and traffic law.