N.Y. Comp. Codes R. & Regs. tit. 18, § 490.8
(b) The operator must provide at a minimum:
(c) Information on each residents' prescribed dietary regimen and food allergies must be available in the food service area and must be used in the planning, preparation and service of resident meals and snacks.
(2) The following food groups must be included in each daily menu:
(8) Menus must be:
(11) Dated copies of menus as planned, and as served including any changes or substitutions, must be kept on file for a period of six months.
(e) Food purchasing, storage and preparation, and service.
(3) Food purchases and preparation must be based on:
(8) Storage, preparation and service procedures must:
(d) Menu planning.