"An amendment to articles V and XIX of the constitution of the state of Colorado, concerning ballot measures, and in connection therewith, requiring voter approval of proposed constitutional amendments by sixty percent of the votes cast thereon, permitting, until January 1, 2003, a simple majority of votes to approve amendments to amend or repeal any provision that was previously adopted with less than sixty percent of the votes cast thereon, prohibiting the general assembly from amending or repealing any law enacted by the initiative within four years of adoption unless approved by two-thirds of all the members elected to each house of the general assembly, and requiring that initiated and referred measures to amend the constitution be submitted to the electors at a general election and not at an election held in an odd-numbered year."