The first step in registering your horse with AAHA is to become a member. Choose your membership, then you will receive a link to the horse registration form. AAHA offers to types of registration. The regular is for horses that you know both sides of the pedigree. The hardship is for horses that you only know one side or neither side of the pedigree. A regular registration is $60 any age. A hardship registration is $100 any age and if your horse does not qualify for registration, AAHA will refund all your fees.