11 Va. Admin. Code § 10-140-220
If a horse or jockey interferes with or jostles another horse, the aggressor may be disqualified, unless the interfered or jostled horse or jockey was partly at fault or the interference was wholly caused by the fault of some other horse or jockey.
§ 59.1-369 of the Code of Virginia.
Derived from VR662-05-01 § 4.3, eff. September 26, 1991.