All boats must bear a sail number or an identification mark. All boats must have on board all the safety equipment required by current regulations under pain of non-admittance or disqualification.
All valid races will be regulated by the Racing Rules of Sailing specified in the Race Rules ISAF 2005-2008, and by the 5.5 metre I.C. Rules, supplemented in connection with the 5.5 metre I.C. boats.