N.Y. Comp. Codes R. & Regs. tit. 21, § 151.18 – Preference of floats in passing.

(a) Floats in passing shall be governed by the whistle signals as prescribed in the Inland Navigation Rules,^* as published and amended by the United States Coast Guard.
(b) When in a navigable channel, every float shall, when it is safe and practicable, keep to that side of the channel which lies on the starboard side of such float.
(c) When approaching or exiting a lock, no float within 1,000 feet of the lock shall pass another float.
(d) Any operator of a float violating this section shall be subject to a penalty not to exceed $100 for each offense.