N.Y. New York City Civil Court Law § 1602
The mayor is hereby authorized to prescribe the style, form and size of a badge to be known and designated as the official badge of the city marshals, a description of which he shall file in the office of the city clerk. Each city marshal shall provide himself at his own expense, with one such badge, and shall wear the same at all times while engaged in the discharge of his official duties. Every city marshal shall display his badge upon demand. Every city marshal shall forthwith surrender his official badge to the city clerk upon the expiration of his term or upon the vacation of his office for any reason and the city clerk is hereby authorized to refund the sum originally charged therefor. Any person violating the provisions of this section shall be punished by imprisonment for a term not exceeding thirty days or a fine not exceeding two hundred dollars for each offense.
N.Y. New York City Civil Court Law § 1602