La. Stat. tit. 10 § 5-104
Current with changes from the 2024 legislative session effective on or before 7/1/2024, from Acts 1-3, 6-671
A letter of credit, confirmation, advice, transfer, amendment, or cancellation may be issued in any form that is a record and is authenticated (i) by a signature or (ii) in accordance with the agreement of the parties or the standard practice referred to in R.S. 10:5-108(e).
La. R.S. § 10:5-104