La. Civ. Code art. 6 : CIVIL CODE —PRELIMINARY TITLE — GENERAL PRINCIPLES — Retroactivity of laws

In the absence of contrary legislative expression, substantive laws apply prospectively only. Procedural and interpretative laws apply both prospectively and retroactively, unless there is a legislative expression to the contrary.

La. C.C. § 6

Acts 1987, No. 124, §1, eff. 1/1/1988.