Colorado Referendum 1 (1980) was a legislatively-referred constitutional amendment, regarding the initiative and referendum process, on the November 4, 1980 election ballot in Colorado, where it was approved.
| Referendum 1|
| Yes|| 638,731|| 60.1%|
Election Results from: State Legislative Council, Ballot History
Text of measure
The language on the ballot was:
|| An amendment to Articles V and XIX of the Constitution of the State of Colorado, concerning the initiative and referendum process, and providing that an elector must be registered in order to sign a petition for an initiated or referred measure and that the proposed initiative measures shall be submitted to the legislative research and drafting offices of the General Assembly for review and comment at a meeting open to the public before a ballot title is fixed.