La. Civ. Code art. 1957 : Civil Code — OF THE DIFFERENT MODES OF ACQUIRING THE OWNERSHIP OF THINGS — CONVENTIONAL OBLIGATIONS OR CONTRACTS — VICES OF CONSENT — FRAUD — Proof TEXT PDF Fraud need only be proved by a preponderance of the evidence and may be established by circumstantial evidence. La. C.C. § 1957 Acts 1984, No. 331, §1, eff. 1/1/1985.