In order to keep racing fair for everyone, the Beneteau First 36.7 North American class has a limit of one "CAT 3" sailor allowed aboard the boat at any point durring a race. When submitting your Apendix A form before a day of racing, you will declare which sails you are using (including sail button numbers) as well as the names, weights, and ISAF id's of your crew.
1. In order to get yourself classified, start by clicking here.
2. Make yourself an account, or log in to an existing account
3. Hit "Get Catagorized" and follow the instructions to obtain your ID number.
Hope this helps! Happy sailing.