A Comparison of Rules and Procedures in Tribunals that Try Individuals for Alleged War Crimes, as prepared by the Office of Military Commissions. The Military Commissions Act of 2009 authorizes trials by military commission in accordance with basic principles common to other courts and tribunals that try individuals for violations of the laws of war and other offenses. The chart compares rules and procedures employed under the Military Commissions Act of 2009 with those used in U.S. military courts-martial and U.S. federal courts (also known as Article III courts).