La. Public Health and Safety § 40:2327
In order to accelerate the completion of water quality control projects, any political subdivision making application for a Federal Water Quality Administration grant, may, with the approval of the state treasurer and the Louisiana Department of Health, if state funds as set forth in R.S. 40:2324 through R.S. 40:2326 herein are not available for participation in the cost of the project when application is made, obligate the political subdivision to provide local funds to pay that portion of the cost of the project that is anticipated to be borne by the state, and the state shall refund the amount expended on its behalf by the political subdivision, from the first funds available under the provisions of R.S. 40:2326 and this Section, and not later than September 1, 1975.
La. Public Health and Safety § 40:2327