N.Y. Civil Rights Law § 55: Anonymous communications prohibited

§ 55. Anonymous communications prohibited. It shall be unlawful for

any such corporation or association to send, deliver, mail or transmit

to any person in this state who is not a member of such corporation or

association any anonymous letter, document, leaflet or other written or

printed matter, and all such letters, documents, leaflets or other

written or printed matter, intended for a person not a member of such

corporation or association, shall bear on the same the name of such

corporation or association and the names of the officers thereof

together with the addresses of the latter.