They will now be responsible for all matters related to the classes. A foundation membership has developed for each but any other National Class Association or National Class Secretary is welcome to apply for membership. Their sites can be found here:

After many years as Class Associations within the IRSA, the Marblehead (IMCA) and the TenRater (ITCA) Class are now fully operational as an International Class Association. The last part was the separation and agreement with the IRSA on an Associate Membership. This gives the new associations the ability to now determine its own future including the development and promotion of international events like Regional and World Championships.

IMCA with name small        ITCA with name small