Rules for Endorsement of IRC certificates (PDF) updated 2014
Sail input sheet (for sailmakers and measurers) (Excel) 2015
IRC worksheet (PDF) Print this and use it to collect the data for your application. Pleasea do NOT use this as an application or input sheet!
Measurement drawings *including new guidance on measuring x and h (and when to measure it) 24/2/12
Simple measurement guides - rig and sails
ISAF Equipment Rules of Sailing (ERS) 2013-2016