Sec. 6. MUNICIPAL OR COUNTY ELECTION. (a) Except as provided by Subsections (b) and (d) of this section, an endorsing municipality or endorsing county must hold an election in the municipality or county to determine whether the municipality or county may contribute a portion of its sales and use taxes to the Olympic Games trust fund under Section 5 of this Act. The election must be held on a uniform election date before the date a site selection organization requires the endorsing municipality or endorsing county and the state to enter into a joinder undertaking relating to the applicable games.

(b) If an endorsing municipality or endorsing county is required to hold an election under this section and the contribution of a portion of the municipality's or county's sales and use taxes to the Olympic Games trust fund under Section 5 of this Act is not approved by a majority of the voters voting in the election:

(1) the comptroller may not establish the Olympic Games trust fund under Section 5 of this Act, may not retain the municipality's or county's tax revenue under Section 5(d) of this Act from amounts otherwise required to be sent to that municipality or county, and may not transfer any state tax revenue into the trust fund;

(2) the department is not required to determine the incremental increase in state, county, or municipal tax revenue under Section 5(b) of this Act; and

(3) the department may not enter into a games support contract relating to the games for which the municipality or county has authorized a bid on its behalf.

(c) Notwithstanding any other provisions of this Act, an endorsing municipality or endorsing county is not required to hold an election in order to contribute its mixed beverage tax revenue or its hotel occupancy tax revenue to the Olympic Games trust fund under Section 5 of this Act.