After a long time and very hard work, the Class Rules are now re-written in accordance with the ERS (Equipment Rules of Sailing) which should clear up a lot of grey areas in the Class Rules while keeping the spirit and basic measurements of the boats the same.
You can view and download the Class Rules from the World Sailing website.
The new Class Rules should always be downloaded from the World Sailing website, as that are the ones in effect at the time.