A deduction point (gam-jeom) is awarded to the opponent for any of the following prohibited acts:
- Crossing boundry line
- Falling down
- Avoiding/delaying the match
- Grabbing or pushing opponent
- Using leg to block or striking opponents leg
- Attacking after referee halts match
- Kicking below the waist
- Striking opponents head with hand or fist
- Attacking fallen opponent
- Butting or attacking with the knee
- Not complying with the referees decision or protesting