NY state law is pretty clear on the subject of feeding/baiting wild deer. This actually came about in response to CWD.
§189.3 Prohibitions.
Notwithstanding any other provision of this Chapter to the contrary, the following prohibitions shall apply:
(a) Importation of Animals of the Genus Cervus, Genus Odocoileus, or Genus Alces. No person shall import into New York State any wild or captive animal of the Genus Cervus or the Genus Odocoileus or the Genus Alces except under permit issued by the New York State Department of Agriculture and Markets, in consultation with the Department, pursuant to Section 68.2 of Title 1 NYCRR.
(b) Feeding Wild White-tailed Deer or Wild Moose in New York. No person shall feed wild white-tailed deer or wild moose at any time in New York State except:
(1) under a license or permit issued by the Department pursuant to Article 11, Title 5 of the Environmental Conservation Law for bona fide scientific research, mitigation of wildlife damage or nuisance problems, or wildlife population reduction programs only; or
(2) by planting, cultivating or harvesting of crops directly associated with bona fide agricultural practices, including planted wildlife food plots; or
(3) by distribution of food material for livestock directly associated with bona fide agricultural practices; or
(4) by distribution of food material for legally possessed captive animals of the Genus Cervus or the Genus Odocoileus or the Genus Alces; or
(5) by cutting of trees or brush.