2006 New York Code - Police Vehicle.

 
    § 132-a. Police  vehicle.   Every vehicle owned by the state, a public
  authority, a county, town, city or village, and operated by  the  police
  department  or  law enforcement agency of such governmental unit or by a
  constable or police constable of a town  when  acting  pursuant  to  his
  special  duties.  Any  other  vehicle  operated  by a chief or deputy or
  assistant chief of a  police  department,  a  sheriff,  undersheriff  or
  regular  deputy  sheriff,  and  a  vehicle owned and operated by the law
  enforcement unit of a public or private corporation authorized by law to
  maintain a unit for the enforcement of  law  on  the  property  of  such
  corporation  shall  be a police vehicle only for the purposes of section
  one hundred one of this chapter.