Louisiana Revised Statutes & Codes

La. Rev. Stat. § 31:214 (2026)

PART 4. APPLICATION OF CODE

✓ current as of May 2026

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PART 4. APPLICATION OF CODE

§214. Applicability of Code to existing rights

The provisions of this Code shall apply to all mineral rights, including those existing on the effective date hereof; but no provision may be applied to divest already vested rights or to impair the obligation of contracts.

Acts 1974, No. 50, §214, eff. Jan. 1, 1975.

Notes of Decisions

Cited in 17 cases, 1976–2013 · leading case: Terrebonne Par. Sch. Bd. v. Mobil Oil Corp., 310 F.3d 870 (5th Cir. 2002).

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Terrebonne Par. Sch. Bd. v. Mobil Oil Corp., 310 F.3d 870 (5th Cir. 2002). “2001) (involving the issue of prescription of mineral servitudes and citing La.Rev.Stat. § 31:214 which provides that the Mineral Code is to be applied retroactively unless it would divest already vested rights or impair the obligation of contracts), cert.”

Alyce Gaines Johnson Special Trust v. El Paso E & P Co., 773 F. Supp. 2d 640 (W.D. La. 2011). · cites it 4× “R.S. § 31:214 ("The provisions of this Code shall apply to all mineral rights, including those existing on the effective date hereof; but no provision may be applied to divest already vested rights or to impair the obligation of contracts.”

Cont'l Grp., Inc. v. Allison, 404 So. 2d 428 (La. 1981). “" R.S. 31:214. Concerning the court of appeal's application of the logic as expressed in GMB Gas Corp.”

Producers Oil & Gas Co. v. Nix, 488 So. 2d 1099 (La. Ct. App. 1986). · cites it 2× “The provisions of the Mineral Code apply to all mineral rights including those existing on the date it became effective, January 1, 1975, but no provision can divest rights already vested or the obligations of contracts.”

GMB Gas Corp. v. Cox, 340 So. 2d 638 (La. Ct. App. 1976). “31, Act 50 of 1974, effective January 1, 1975) to be retroactive under the guise of promoting stability or uniformity, notwithstanding R.S. 31:214: "The provisions of this Code shall apply to all mineral rights, including those existing on the effective date hereof; but no…”

Doré Energy Corp. v. Carter-Langham, Inc., 997 So. 2d 826 (La. Ct. App. 2008). · cites it 2× “R.S. 31:214 provides that the mineral *830 code is applicable to all mineral rights, including those existing on the effective date of the code, but that no provision may be applied to divest already vested rights or to impair contractual obligations.”

Cox v. Sanders, 421 So. 2d 869 (La. 1982). “The Code itself provides (LRS 31:214) that the provisions of the Code shall apply to all mineral rights, including those existing on the effective date thereof, but that no provision may be applied to divest already vested rights or to impair the obligations of contracts.”

Allied Chem. Corp. v. Dye, 441 So. 2d 776 (La. Ct. App. 1983). “R.S. 31:214 of the Mineral Code provides that the mineral code shall apply to mineral rights existing on the effective date of the code but that it shall not be applied to divest already vested rights.”

Allied Chem. Corp. v. Despot, 414 So. 2d 1346 (La. Ct. App. 1982). “However, consideration must be given to Article 4, Section 15 of the Louisiana Constitution of 1921 and also to Article 214 of the Mineral Code (R.S. 31:214) which provides as follows: `The provisions of this Code shall apply to all mineral rights, including those existing on…”

Louisiana Land & Expl. Co. v. Pennzoil Expl. & Prod. Co., 982 F. Supp. 398 (E.D. La. 1997). · cites it 2× “R.S. 31:214 provides that: The provisions of this Code shall apply to all mineral rights, including those existing *402 on the effective date hereof; but no provision may be applied to divest already vested rights or to impair the obligation of contracts.”

Terrebonne Par. Sch. Bd. v. Castex, 878 So. 2d 522 (La. Ct. App. 2004). “R.S. 31:214, correctly concluded that the implied obligation to restore the surface as near as possible to its pre-lease condition of La.”

Reilly v. State, 533 So. 2d 1341 (La. Ct. App. 1988). “, supra , the United States Court of Appeals, Fifth Circuit held: "The principal restriction upon legislation of this nature appears to be that vested rights must not be disturbed .”

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