A denerved horse or a horse subjected to a cryosurgical procedure shall be registered with the chief veterinarian on a form provided by the Commission for that purpose. A horse, denerved or subjected to a cryosurgical procedure below the ankle, may be entered and shall be permitted to race if: The horse is registered as such with the chief veterinarian not later than 2 hours before post time of the race for which it is entered; The fact that a horse has been denerved or subjected to a cryosurgical procedure is so stated on the foal certificate of the horse and certified by the practicing veterinarian who performed the procedure; and The horse is placed on a list of horses denerved or subjected to a cryosurgical procedure which is posted on the bulletin board in the Racing Secretary's office. A horse may not be registered as denerved or subjected to a cryosurgical procedure if, in fact, the horse has not been denerved or subjected to cryosurgical procedure.