New York Executive Law Section 390 - Display of American flag on uniforms of public employees.

 390. Display  of  American  flag  on  uniforms  of public employees.
  Notwithstanding any other law, any public employee required  to  wear  a
  uniform  during  the  course of public employment shall not be deemed to
  violate any law, rule,  code  or  regulation  regulating  the  style  or
  appearance  of  uniform  solely by virtue of the display on the shoulder
  area of the sleeve of such uniform of an American flag not  larger  than
  three  inches  by  five  inches.  The  exact location of the flag on the
  sleeve may be specified by the appropriate executive officer.

Last modified: February 3, 2019