Group enlistments barred - when

Colo. Rev. Stat. § 28-3-403, under ENLISTED PERSONS.

Colo. Rev. Stat. § 28-3-403

No civil association, society, club, post, order, fraternity, brotherhood, union, league, or other organized body shall be enlisted in the military forces as a unit.

Source: L. 55: p. 619, § 29. CRS 53: § 94-9-29. C.R.S. 1963: § 94-1-29.