Rule 6 is a penalty rule that describes the penalty "Roughness"
Summary
Roughness or second Minor Roughnesss - 15 points
Official Rule
At the referee's discrecion, a "Roughness" penalty will be awarded when there is a moderate incident of roughness. It will also be awarded if there is a second "Minor Roughness" by the same player. 15 points will be awarded according to Rule 13.