Prescribing a procedure for counties, cities, towns and school districts to opt out of certain state mandates, defining state mandate; specifying certain resolution and public notice and hearing requirements, requiring identification of potential loss of state or federal revenue due to opting out; requiring filing of adopted resolutions with the state auditor and specifying certain duties of the state auditor including notice to the legislature of opt outs and annually to the revisor of statutes of the state laws no longer applicable due to total opt out for state law notation purposes; providing a total opt out threshold for nonapplicability purposes, authorizing later opt outs; excluding certain laws from out opt authority (je)