Any initiated constitutional amendment, initiated measure, constitutional amendment proposed and submitted to the people by the Legislature, or measure referred to the people by the Legislature that imposes or increases taxes or fees, and any initiated constitutional amendment, initiated measure, constitutional amendment proposed and submitted to the people by the Legislature, or measure referred to the people by the Legislature that obligates the state to appropriate funds of ten million dollars or more in any of the first five fiscal years after enactment, to be annually adjusted for inflation as determined by the Legislature, shall become part of the Constitution or statute only if approved by three-fifths of the votes cast thereon.