321 - Exceptions.

§ 321. Exceptions.  1.  This  article  shall  not  apply  to any motor  vehicle for the operation of which security is required to be  furnished  under section three hundred seventy of this chapter, including those for  which  a  certificate  is  issued  pursuant  to  section  three  hundred  seventy-one of this chapter or under a  similar  law  in  another  state  except as may be provided in section three hundred seventy; to any motor  vehicle  operated  under  a  permit  or a certificate of convenience and  necessity issued pursuant to the transportation law, or under  a  permit  or certificate issued by the public utility regulatory agency of another  state;  nor to any vehicle for which a permit or certificate is in force  pursuant to the interstate commerce act nor to any motor  vehicle  owned  by  the  United  States,  any state or any political subdivisions of any  state.    2. Provided, however, that any motor vehicle exempted  in  subdivision  one  of  this section from the provisions of any portion of this article  shall be subject to the provisions of article fifty-one of the insurance  law.