N.Y. Gen. Oblig. Law § 5-322

§ 5-322. Agreements exempting caterers and catering establishments\nfrom liability for negligence void and unenforceable. Every covenant,\nagreement or understanding in or in connection with or collateral to any\ncontract entered into with any caterer or catering establishment\nexempting the said caterer or catering establishment from liability for\ndamages caused by or resulting from the negligence of the caterer or\ncatering establishment, his agents, servants, employees or patrons at\nthe affair contracted therefor, shall be deemed to be void as against\npublic policy and wholly unenforceable.\n