N.Y. Comp. Codes R. & Regs. tit. 9, § 4115.5
(f) The starter will cause the gate to move towards the starting point, gradually increasing the speed of the gate but maintaining a speed which will average:
(j) At a point on the track designated by the commission a post shall be erected (“recall post”). Upon reaching such post during the course of the start, if the starter determines that a fair start for each horse is possible, no recall shall be had thereafter unless: