Colo. Const. art. VII, § 4
For the purpose of voting and eligibility to office, no person shall be deemed to have gained a residence by reason of his or her presence, or lost it by reason of his or her absence, while in the civil or military service of the state, or of the United States, nor while a student at any institution of learning, nor while kept at public expense in any asylum, nor while confined in public prison.
Source: Entire article added, effective August 1, 1876, see L. 1877, p. 52. L. 2004: Entire section amended, p. 2746, effective upon proclamation of the Governor, L. 2005, p. 2341, December 1, 2004.
Cross references: For when residence does not change because of presence in the state as a student or confinement in a state institution or correctional facility or jail or while in the civil or military service, see § 1-2-103.