La. Civ. Code art. 90

This is the official text of La. Civ. Code art. 90, part of Louisiana’s Civil Code — louisiana's civil law tradition codifies persons, property, obligations, and family relations here rather than in a separate statutory code.

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Impediments of relationship

Official statutory text

A. The following persons may not contract marriage with each other:

(1) Ascendants and descendants.

(2) Collaterals within the fourth degree, whether of the whole or of the half blood.

B. The impediment exists whether the persons are related by consanguinity or by adoption. Nevertheless, persons related by adoption, though not by blood, in the collateral line within the fourth degree may marry each other if they obtain judicial authorization in writing to do so.

Acts 1987, No. 886, §1, eff. Jan. 1, 1988; Acts 2004, No. 26, §1.

NOTE: SEE ACTS 1987, NO. 886, §5.

Status: in_force · Read it on the official government site

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About this page: Statute text is reproduced from official government publishers via the Open US Law dataset (Vaquill AI, snapshot v2026.08, CC BY 4.0). Primary legislative text like this is public domain under the government-edicts doctrine (Georgia v. Public.Resource.Org, 2020). We link every section back to its official source so you can verify it independently.