Proposing an amendment to the Minnesota constitution, article IV, to provide for enactment of laws by initiative and referendum; "Initiative and Referendum Implementation Act"; establishing procedures for initiative and referendum; defining certain terms; requiring and providing for the filing of a declaration with the secretary of state before petition circulation, requiring forwarding of a copy to and sponsor consultation with the revisor of statutes, specifying duties of the revisor; specifying initiative petition content, filing and signature requirements and secretary of state verification and certification duties, providing for voluntary abandonment; providing placement on the ballot, voting and canvassing, restricting initiative and referendum measures to the general election; allowing simultaneous petitions, restriction; requiring state payment of county auditor signature verification assistance costs; providing for resolution of conflicts between apparently conflicting measures; providing for publication of measures by the revisor; regulating related literature and paid advertisements in newspapers, periodicals or magazines and on radio or television; requiring certain disclosures to the state campaign finance and public disclosure board; specifying certain prohibitions; providing for judicial review of certain matters in the district court and for the violet ballot and voting box (ra)