Art. 1066.Action Matured Or Acquired After Pleading

Book II. Ordinary Proceedings · Title I. Pleading · Chapter 6. Incidental Actions · Amendment history unavailable · Last verified July 30, 2026

In one sentenceArticle 1066 allows a defendant, with the court's permission, to present as a reconventional demand by supplemental pleading a cause of action that matured or was acquired after the answer was filed.

Full Text of Art. 1066

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An action which either matured or was acquired by the defendant in the principal action after answer may be presented, with the permission of the court, as a reconventional demand by supplemental pleading.

Plain-English Summary

The general timing rule in Article 1033 ties incidental demands to the filing of the answer. Article 1066 addresses what happens when a defendant's claim didn't even exist yet at that point — a debt that matures later, or a claim the defendant acquires from someone else after already answering the principal demand.

Rather than forcing the defendant into a wholly separate lawsuit for a claim that came into being too late to include in the original answer, Article 1066 lets the defendant add it to the case by supplemental pleading, with the court's permission. The claim becomes a reconventional demand even though it didn't exist, or wasn't yet the defendant's, when the answer was first filed.

Frequently Asked Questions

Can a defendant add a reconventional demand for a claim that didn't exist when the answer was filed?

Yes, with the court's permission. Article 1066 allows a claim that matured or was acquired after the answer to be presented as a reconventional demand by supplemental pleading.

Does a defendant need the court's permission to file under Article 1066?

Yes. The article conditions this kind of late reconventional demand on court permission.

How does Article 1066 relate to the general filing deadline in Article 1033?

Article 1033 generally ties incidental demands to the filing of the answer, and Article 1066 is one of the exceptions Article 1033 itself points to for claims that mature or are acquired afterward.

Source & verification. Article text is reproduced verbatim from the Louisiana Code of Civil Procedure (legis.la.gov). Enacted by the Louisiana Legislature. Last verified July 30, 2026. · Official source

Also known as: supplemental reconventional demand louisianaafter acquired claim counterclaimlate reconventional demand with leave of court