The answer shall contain a specific denial of each allegation of the charge controverted by the party filing the answer, or of any knowledge or information thereof sufficient to form a belief. An allegation in the charge not specifically denied in the answer, unless the party asserts that it is without knowledge or information thereof sufficient to form a belief as to the truth thereof, shall be deemed admitted.
N.Y. Comp. Codes R. & Regs. Tit. 12 § 252.8