La. Stat. tit. 39 § 121.1
Current with changes from the 2024 legislative session effective on or before 7/1/2024, from Acts 1-3, 6-671
Any entity administering a capital outlay project included in the comprehensive capital outlay budget may require all parties performing any portion of planning and designing, including engineers and architects, or parties contracted with for the construction of a capital outlay project to submit invoices for the payment of services rendered or performed within one hundred eighty days of the date that the services were rendered or performed. Failure of a party to timely submit an invoice for services rendered or performed shall result in the party's claim for reimbursement or payment from the state being denied.
La. R.S. § 39:121.1