N.Y. Comp. Codes R. & Regs. tit. 6, § 45.4
(3) Subject to permit conditions, the department may allow shellfish which it determines to be of a small enough size as not to be marketable as a human food product to be transplanted no earlier than March 1st and no later than October 31st. For hard clams (Mercenaria mercenaria) this size shall be less than one-half inch in thickness; for American oysters (Crassostrea virginica) it shall be less than two inches in length. For other species the maximum size shall be established as a permit condition.
(b) Supervision.
All harvesting, transporting and relaying of shellfish in connection with transplant operations shall be subject to such supervision as the commissioner deems necessary to protect the public health and safety and to conform with the regulations of this Part.
(c) Transportation.
(d) Except as specifically authorized as a permit condition, all shellfish shall be relayed the same day as harvested.
(e) Relay area certification.
(f) Notification describing the location and reclassification of all public cleansing areas declared uncertified pursuant to this Part shall be provided by the department as follows:
(a) Periods of transplanting.