(a) A county with a population of 3.3 million or more may impose a fine of $1 for each event of nonpayment of a required toll or charge imposed under § 284.069.
(b) Money collected under Subsection (a) shall be deposited in the county treasury in a special fund to be administered by the county attorney. Expenditures from the fund shall be at the sole discretion of the attorney and may be used only to defray the salaries and expenses of the attorney’s office, but in no event may the county attorney supplement his or her own salary from the fund.