Annually, in August, the association holds a small competition and sale for the breed in Castillon-en-Couserans, which also includes inspections to register horses for the breed studbook.
Koninklijk Warmbloed Paard Nederland, the registry for the Dutch Warmblood breed of horse, Koninklijk Warmbloed Paardenstamboek Nederland (Royal Warmblood Studbook of the Netherlands), also sometimes used to designate a horse of the breed