18 Va. Admin. Code § 120-40-330
No boxing contest shall be scheduled for less than four rounds or more than 10 rounds . Each round of boxing shall be three minutes in duration with a one-minute rest period between rounds, except that bouts between female boxers shall consist of two-minute rounds with a one-minute rest period between rounds. The department may permit 12 rounds in male bouts involving a state, regional, national or world title championship, or elimination box off.
§ 54.1-831 of the Code of Virginia and 15 USC § 6301 et seq.
Derived from Virginia Register Volume 15, Issue 21, eff. August 5, 1999; amended, Virginia Register Volume 23, Issue 24, eff. September 5, 2007.