Section 246.540 - Joint purchase, maintenance and use(1) In purchasing voting machines or vote tally systems, a governing body of any county and the governing bodies of any incorporated cities, districts or other municipalities in the county, may provide for the joint purchase and subsequent ownership of voting machines or vote tally systems and for the care, maintenance and use of the machines or systems.(2) The governing body of two or more counties may provide for the joint use of voting machines or vote tally systems.