There are two types of certificate, full Measurement or partial Measurement. Some races, such as the 2014 Newport to Bermuda Race, required full measurement, while others like the 2013 Marion to Bermuda Race accepted partial measurement. Contact US SAILING to determine the status of your current certificate and eligibility for a Full Measurement Certificate.
Has your boat already for ORR? If so, you would need to apply for a Transfer of Owner. Find the instructions here.