Louisiana Revised Statutes Tit. 16, § 15.1. District attorneys' toll collection fee

A. A district attorney may collect a fee whenever his office collects and processes a demand for payment or violation notice issued by a public entity which owns and administers a toll bridge or bridge-causeway as authorized by R.S. 47:820.5.1, R.S. 14:71.2, or by R.S. 47:820.5.2.

B. The district attorney may collect the fee authorized by this Section from the registered owner of any vehicle determined liable under R.S. 47:820.5.1, R.S. 14:71.2, or by R.S. 47:820.5.2.

C. The amount of the fee shall not exceed one hundred dollars.

D. Fees collected under this Section shall be deposited in a special fund to be administered by the district attorney. Expenditures from this fund shall be at the sole discretion of the district attorney and may be used only to defray the salaries and expenses of the office of the district attorney, but in no event shall the district attorney supplement his or her own salary from this fund. Nothing in this Section shall be construed to decrease the total salaries, expenses, and allowances which the office of a district attorney is receiving at the time this Section takes effect.