20:81:04:20Fouls.

Fouls by a contestant include, but are not limited to: (1) Hitting an opponent below the navel or behind the ear; (2) Hitting an opponent who is knocked down; (3) Holding an opponent with one hand while hitting with the other hand; (4) Holding or deliberately maintaining a clinch; (5) Wrestling, kicking, or roughing; (6) Pushing an opponent about the ring or into the ropes; (7) Butting with the head, shoulder, knee, or elbow; (8) Hitting with the open glove, the butt or inside of the hand, or back of the hand, the elbow or the wrist; (9) Purposefully falling down on the canvas of the ring without being hit or for the purpose of avoiding a blow; (10) Striking deliberately at that part of the body over the kidneys; (11) Using the pivot blow (pivoting while throwing a punch) or the rabbit punch (punches thrown to the back of the head and neck areas); (12) Jabbing an opponent's eyes with the thumb of the glove; (13) Use of abusive language; (14) Unsportsmanlike conduct causing injury to an opponent that does not meet the standard of a fair blow; (15) Hitting on the break; (16) Intentionally spitting out the mouthpiece; (17) Hitting on or out of the ropes; (18) Holding the ropes and hitting; (19) Biting or spitting; (20) Not following referee's instructions; (21) Stepping on an opponent; (22) Crouching below the opponent's belt; (23) Leaving neutral corner; and (24) Conduct of the contestant's second(s). Fouls shall be called by the referee and announced to the judges for appropriate deductions.

Source: 41 SDR 7, effective July 28, 2014.