New York Laws
Article 18-A - Display of Flag on Uniforms
390 - Display of American Flag on Uniforms of Public Employees.

ยง 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.