2017 New York Laws
MIL - Military
Article 11 - Privileges, Prohibitions and Penalties
238-C - Wearing of Uniforms; Prohibited.

 238-c. Wearing of uniforms; prohibited.  a. It shall be unlawful for
  any  person  to appear in any public place or in the public view attired
  in any uniform similar to that  worn  by  the  military,  semi-military,
  naval,  police, storm troop or other official or semi-official forces of
  any foreign state, nation or government, or attired in  any  distinctive
  part  or  parts  of  such  a  uniform, or to assemble with other persons
  similarly attired in any camp, drill  ground  or  other  place  for  the
  purpose  of  engaging  in  military  drill or training or other military
  practices.
b. It shall be unlawful for any person to appear in any public  place,
  or in the public view attired in any uniform similar to that worn by the
  members  of  the  storm  troop  of  Nazi  Germany,  or  attired  in  any
  distinctive part or parts of such a uniform, or to assemble  with  other
  persons similarly attired in any camp, drill ground or other place.
c.  It  shall be unlawful for any person to appear in any public place
  or in the public view attired in the uniform or wearing the  distinctive
  garment of any association of persons of whatsoever nature or form which
  engages  in,  adopts, or imitates the drill formations, salutes or other
  methods  or  practices  or  the  symbols  of   any   foreign   military,
  semi-military,   naval,   police,   storm   troop   or  similar  foreign
  organization, or to assemble with other persons similarly attired in any
  camp, drill ground or  other  place  for  the  purpose  of  engaging  in
  military drill or training or other military practices.
d.  It  shall  be  unlawful for the proprietor, manager or keeper of a
  public hall, public  garden,  theatre  or  any  other  place  of  public
  meeting, resort or amusement to permit therein any assemblage of persons
  attired as prohibited in this section.
e.  It  shall be unlawful for any person to appear in any public place
  or in the public view attired in the uniform or wearing the  distinctive
  garment of any association of persons of whatsoever nature or form which
  engages  in,  adopts, or imitates the drill formations, salutes or other
  methods or practices or the symbols of the members of the storm troop of
  Nazi Germany or similar foreign organization, or to assemble with  other
  persons  similarly  attired in any camp, drill ground or other place for
  the purpose of engaging in military drill or training or other  military
  practices.
f.  This  section  shall  not  apply to the officers or members of the
  military,  semi-military,   naval,   police   or   other   official   or
  semi-official forces of any foreign state, nation or government lawfully
  within the state of New York, the Knights of Columbus, the Boy Scouts of
  America, any student of any school or academy recognized by the board of
  regents  of the state of New York, nor to the members of the cast of any
  stage or motion picture production characterizing  the  officials  of  a
  foreign  state,  nation  or  government;  provided, however, that in any
  prosecution hereunder it shall be presumed that  a  person  wearing  the
  uniform  of  a  foreign  state,  nation  or  government or of any of its
  official or semi-official forces or attired in any distinctive  part  or
  parts of such a uniform, was not at the time of the alleged violation of
  this section a member of any of the organizations excepted herein.
g.  A  violation  of  any of the provisions of this section shall be a
  class A misdemeanor.