The system of discipline and field exercise ordered to be observed by the Army of the United States, or such other system as may be directed for the militia by laws of the United States, shall be observed by the National Guard.
D.C. Code § 49-804
System of discipline and field exercise
Mar. 1, 1889, 25 Stat. 781, ch. 328, § 61; Feb. 18, 1909, 35 Stat. 636, ch. 146, § 69
Official source: D.C. Law Library (Council of the District of Columbia). Reproduced from public-domain District of Columbia statutes; confirm against the official source for the current text. Not legal advice.