N.Y. Comp. Codes R. & Regs. tit. 19, § 934.3
(a) It is presumptively impermissible for a lobbyist or client to offer or give a gift to any public official. Such a gift is only permissible if, under the circumstances, all of the following criteria are met:
(b) The offering or giving of a gift from a lobbyist or a client to the spouse or unemancipated child of a public official is permissible unless, under the circumstances, any one of the following criteria is met:
(c) The offering or giving of a gift from a spouse or unemancipated child of a lobbyist or a client to a public official is permissible unless, under the circumstances, any one of the following criteria is met:
(e) No lobbyist or client shall offer or give a gift to a third party, including a charitable organization:
(2) at the designation or recommendation of a public official (or a public official’s spouse or unemancipated child), when such gift cannot be offered or given to such public official (or the spouse or unemancipated child of such public official) under subdivision (a) of this section.
(f) Multiple gifts.
A gift that is otherwise permissible under subdivision (a), (b), or (c) of this section may be prohibited if it is one of multiple gifts from the same person, entity, or organization if, under the circumstances, it could be reasonable to infer that the multiple gifts, collectively: