N.Y. Comp. Codes R. & Regs. tit. 9, § 54.1
(a) Disciplinary proceedings shall be commenced by serving a notice of pleading on the licensee. Such notice shall be deemed to have been duly served if:
(b) Notices of pleading shall:
(c) Notices of pleading in suspension proceedings shall, in addition to the matters set forth in subdivision (b) of this Part: