N.Y. New York City Civil Court Law § 1603

§ 1603. Persons pretending to be city marshals. It shall be unlawful\nfor any person, other than a marshal of the city of New York, to hold\nhimself out to the public as being a marshal or as being in any way\nauthorized to act as a marshal or to perform the duties of a marshal;\nand it shall be unlawful for any person, other than a marshal, to\nexhibit any sign with the words "marshal's bureau" thereon or any other\nwords or terms whereby the public may be led to believe that he is a\ncity marshal or authorized to act as such, or that his office is the\noffice of a city marshal. It shall be unlawful for any city marshal to\npermit any person, other than a city marshal, to perform any act in his\nname, or to sign or to use his name in the performance of any act which\nmust be performed personally by a city marshal. Any person violating any\nof the provisions of this section shall be guilty of a misdemeanor and\nshall be punished by imprisonment for a term not exceeding one month or\na fine not exceeding two hundred dollars for each offense.\n