As Clerk of the Course/Race Director or assistant Clerks of the Course, you are referees and your responsibility is to ensure the competition is contested in a fair and sportsman-like manner.
Infringements of these rules will require you to take some action. The main point is, was a competitor disadvantaged or an advantage gained.
Being an on track official it is important that you discuss this with your other officials while the competition is in progress or immediately after the race completed.
What to do if you feel that a competitor should be spoken to with a verbal warning or there should be a Report is covered in other Modules.