(a) A veterinarian who alters the sex of a horse as recorded on the certificate of foal registration or eligibility certificate and that is scheduled to race in an association's race meeting shall report the alteration to the horse identifier.(b) If the sex of a horse is altered on an association's grounds, the trainer of the horse shall make the report required by this section not later than 72 hours after the alteration.(c) The horse identifier shall record the alteration on the official registration certificate and the horse identification record of the horse.