Ch. 17, § 3. Tactics Deemed Fouls

The following tactics shall be deemed fouls: (a) Hitting below the belt or after the bell has terminated the round; (b) Hitting an opponent who is down or who is getting up after being down; (c) Holding an opponent or deliberately maintaining a clinch; (d) Holding an opponent with one hand and hitting with the other hand; (e) Butting with the head or shoulder or using a knee; (f) Hitting with the glove laces or the heal of the hand, the wrist, or elbow and any back-hand blows; (g) Hitting or flicking with an open glove, or thumbing; (h) Wrestling, hitting on the break, or pushing an opponent; (i) Spitting out the mouthpiece or going down without being hit; (j) Striking deliberately the part of the body over the kidneys; (k) Use of a pivot or rabbit punch; (l) Hitting an opponent during intervention by the referee; (m) Hitting an opponent who is entangled in the ropes; (n) Biting or any unsportsmanlike conduct; (o) Abusive or profane language; (p) Failure to obey the refer; (q) Any physical action which may injure a participant, except by fair sportsmanlike boxing; and (r) Passive defense by means of double cover.