Article II. Bill of Rights
Article II, Section 11. Ex post facto laws
Constitution of the State of Colorado
Official text
No ex post facto law, nor law impairing the obligation of contracts, or retrospective in its operation, or making any irrevocable grant of special privileges, franchises or immunities, shall be passed by the general assembly.
Source: Entire article added, effective August 1, 1876, see L. 1877, p. 30.
Source: Colorado Revised Statutes 2024, Constitution (Colorado Office of Legislative Legal Services)
In plain English
The legislature may not pass ex post facto laws, laws impairing the obligation of contracts, retrospective laws, or laws making an irrevocable grant of special privileges, franchises or immunities.
Plain-English summary drafted by Christian Vote USA; editor review pending. Always read the official text above.
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