Sec. 7. (a) This section applies to the following persons:
(1) Judges.
(2) Racing secretaries.
(3) Employees in the racing secretary's office.
(4) Starters.
(5) Assistant starters.
(6) Assistants to the state veterinarian.
(7) Any other racing official.
(b) When a person listed in subsection (a) is serving in an official capacity at a racetrack, a horse in which the person (or the person's spouse or child) has a direct or indirect interest may not be raced at that racetrack.