N.Y. Comp. Codes R. & Regs. tit. 10, § 86-2.2
(a) Each residential health care facility shall complete and file, with the New York State Department of Health and/or its agent, annual financial and statistical report forms supplied by the department and/or its agent. Residential health care facilities certified for title XVIII of the Federal Social Security Act (Medicare) shall use the same fiscal year for title XIX of the Federal Social Security Act (Medicaid) as is used for title XVIII. All residential health care facilities must report their operations from January 1, 1977 forward on a calendar-year basis.