N.Y. Comp. Codes R. & Regs. Tit. 19 § 211.29 - Prohibited practices - Boxing
The following foul, dangerous, and unsportsmanlike practices are prohibited in all boxing matches: hitting below the belt; tripping; kicking; butting; kneeing; throttling; elbowing; striking with the head, shoulder, or forearm; hitting with open glove, or the inside, side or wrist of the glove; hitting on the back, especially the kidneys or the back of the neck; pivot blows; pressing an opponent's face with arm or elbow; attacking while holding the ropes and making use of the ropes in any other unfair way for attack purposes; pressing an opponent's head over the ropes or against the turnbuckles or ring posts; wrestling, lying on, and throwing while in a clinch; attacking in any way a fallen opponent; clinching, holding or locking an opponent's arms or head; pushing a stiff arm underneath an opponent's arm; holding and hitting; pulling and hitting; hitting on the break after a clinch; ducking low to upend an incoming opponent; thumbing and gouging of an opponent's eyes; rubbing an opponent's face with laces, adhesive tape, or any abrasive area of or substance on the gloves; use of any ointment, powder, or other substance intended or likely to cause danger or discomfort to an opponent.
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