11 Va. Admin. Code § 10-110-210
In the event an overnight race does not fill, the racing secretary may cancel that race and instead use a substitute race, which must be listed in the condition book or condition sheet, to complete the program.
§ 59.1-369 of the Code of Virginia.
Derived from VR662-04-02 § 21, eff. September 26, 1991.