New York Vehicle & Traffic Law Section 115-C - Emergency ambulance service vehicle.

 115-c. Emergency  ambulance  service vehicle. An emergency ambulance
  service vehicle shall be defined  as  an  appropriately  equipped  motor
  vehicle  owned or operated by an ambulance service as defined in section
  three thousand one of the public health law and used for the purpose  of
  transporting  emergency  medical  personnel  and  equipment  to  sick or
  injured persons.

Last modified: February 3, 2019