Section 465. A

Sections four hundred sixty-two and four hundred sixty-four
  shall not apply to: (1) persons in the military service of the state  of
  New  York  when  duly  authorized  by regulations issued by the chief of
  staff to the governor to carry or possess a firearm;
    (2) persons in the military or other service of the United States,  in
  pursuit  of  official  duty  or  when  duly  authorized  by federal law,
  regulation or order to carry or possess a firearm;
    (3)  persons  employed  in  fulfilling  defense  contracts  with   the
  government of the United States or agencies thereof when possession of a
  firearm  is  necessary  for  manufacture,  transport,  installation  and
  testing under the requirements of such contract;
    (4) police officers as defined by the criminal procedure  law  section
  1.20;
    (5)  peace  officers  as defined by the criminal procedure law section
  2.10, provided that such peace officers are (i) authorized  pursuant  to
  law  or regulation of the state or city of New York to possess a firearm
  within the city of New York without a license or permit  therefore;  and
  (ii) authorized by their employer to possess such firearm; or
    (6)  participants  in  special  events  when  authorized by the police
  commissioner.
    b. Any person listed in subdivision a of this section may be permitted
  or licensed to purchase a firearm according to State law and  the  rules
  of  the  city of New York. Pursuant to section four hundred sixty-three,
  it shall be a crime for a dealer to  sell  any  firearm  to  any  person
  listed  in  subdivision  a  without  securing  full  and secure proof of
  identification.