(a) This section applies only to a municipality with a population of more than 700,000 within a county with a population of more than 2.1 million that is adjacent to a county with a population of more than 2.5 million.
(b) A municipality that has adopted a tax under this subchapter at a rate of less than $5 a vehicle may by ordinance increase the rate of the tax to a maximum of $5 a vehicle if the increase is approved by a majority of the registered voters of the municipality voting at an election called and held for that purpose.

(c) The ballot for the election to increase the rate of the tax shall be printed to permit voting for or against the proposition: “The increase of the parking tax for the purpose of financing ______________________ (insert description of venue project) to a maximum rate of ______ (insert new maximum rate not to exceed $5).”