The direct answer: Interdiction is the Louisiana civil-law proceeding in which a court finds that an adult, or an emancipated minor, cannot consistently make or communicate reasoned decisions about their person, their property, or both, and appoints a curator to act on their behalf. Louisiana does not use the common-law terms "guardianship" or "conservatorship" for adults; the controlling terms are interdiction, curator, and undercurator, set out in La. Civil Code arts. 389 et seq. and La. Code of Civil Procedure arts. 4541 et seq. Louisiana recognizes two forms: full interdiction, covering both person and property, and limited interdiction, tailored to specific decisions the person cannot safely make. In every case, the law requires that less restrictive alternatives be considered and ruled out before a court will order interdiction.
Louisiana is the only state built on a civil-law tradition rather than English common law, and its vocabulary for protecting vulnerable adults reflects that history. Where a court in Texas or Arkansas would appoint a "guardian" or "conservator," a Louisiana court appoints a curator. The difference is not just terminology. Louisiana's interdiction articles are built around a person's remaining capacity, not an automatic transfer of every right and decision to someone else.
Under La. Civil Code art. 389, a court may order the full interdiction of an adult who, because of an infirmity, is unable consistently to make reasoned decisions regarding the care of their person and property, or to communicate those decisions, and whose interests cannot be protected by less restrictive means. Full interdiction is the most restrictive outcome the law allows and is reserved for the most serious cases.
La. Civil Code art. 390 allows a court to order limited interdiction instead, when a person can safely manage some decisions but not others. A limited interdiction judgment must identify the specific powers granted to the curator, and the limited interdict keeps full legal capacity for everything the judgment does not expressly restrict. A family concerned about a relative's ability to manage investments, for example, can seek a limited interdiction over financial decisions alone, leaving medical and personal decisions untouched.
Once a court orders interdiction, it appoints a curator to represent the interdict in legal transactions and to manage the affairs the judgment covers. In most cases the court also appoints an undercurator, who provides a check on the curator by consenting to significant transactions and monitoring the curator's conduct. This dual-appointment structure is one of several built-in safeguards that distinguish Louisiana's approach from simply handing authority to one person.
The petition itself must name the defendant's spouse and adult children or, if there are none, the defendant's parents and siblings, or the nearest adult relative, under La. Code of Civil Procedure art. 4541, and art. 4543 requires personal service of the citation and petition on the defendant along with notice to these interested persons. That gives a spouse, adult child, or parent who disagrees with the petition, or who believes a different family member should serve as curator, a real opportunity to appear and be heard. This notice requirement, combined with the appointed attorney and the clear-and-convincing evidentiary standard, is part of why Louisiana interdiction law is structured as a due-process-heavy proceeding rather than an administrative filing. A court will not sign a judgment of interdiction on paperwork alone; it must hold a hearing and weigh live evidence.
Interdiction is not available merely because a family disagrees with someone's choices, or because a person is elderly, eccentric, or makes decisions others consider unwise. The Civil Code standard is deliberately narrow, and Louisiana courts apply it that way.
The test under arts. 389 and 390 asks whether an infirmity leaves the person unable to consistently make reasoned decisions about their person or property, or to communicate those decisions. A single poor decision, an unpopular choice, or a diagnosis by itself does not meet this standard. Courts look for a documented pattern connected to a genuine infirmity, such as advanced dementia, a severe intellectual disability, or a traumatic brain injury, that leaves the person unable to protect their own interests.
La. Code of Civil Procedure art. 4541 requires the petition itself to describe, with particularity, the less restrictive means that were considered before interdiction was sought, and to explain why those alternatives were insufficient. The legislature strengthened this requirement to make interdiction a genuine last resort rather than a default response to aging or illness. A petitioner who has not seriously explored a power of attorney, a representative-payee arrangement, or supported decision-making cannot simply skip ahead to interdiction.
Any interested person may file a petition for interdiction in the district court of the parish where the person to be interdicted is domiciled. The petition must set out the petitioner's relationship to that person, the nature of the alleged infirmity, and the less restrictive means already considered, as art. 4541 requires. Families in this region typically file in the Fourth Judicial District Court for Ouachita Parish, or in the district court of whichever parish the family member actually lives in.
Because interdiction can significantly limit a person's civil rights, La. Code of Civil Procedure art. 4549 requires the court to appoint an attorney to represent the defendant's interests during the proceeding. The defendant has the right to attend the hearing, to retain counsel of their own choosing instead, and to present evidence, including independent medical or psychological evaluation, contesting the need for interdiction.
Under La. Code of Civil Procedure art. 4548, the person seeking interdiction must prove the case by clear and convincing evidence, a heightened standard well above the preponderance-of-the-evidence standard used in most civil cases. That standard reflects how seriously Louisiana law treats any restriction on an adult's legal capacity. If the court grants the petition, the judgment of interdiction, under art. 4551, appoints a curator, and in most cases an undercurator, and spells out the specific powers granted.
An interdiction proceeding involves real costs: filing fees, the fee for the attorney appointed to represent the defendant, and often a medical or psychological evaluation. La. Code of Civil Procedure art. 4550 addresses how these costs and attorney's fees are allocated, and a court has discretion to assess them against the petitioner, the interdict's estate, or another party depending on the circumstances and whether the petition was well-founded. Families should budget for these costs when deciding whether interdiction, rather than a less restrictive alternative, is the right path.
A judgment of interdiction is not the end of the story. La. Code of Civil Procedure art. 4554 allows the court to modify or terminate an interdiction, on the motion of the interdict or any other interested person, if the terms of the judgment have become excessive or insufficient, or if the interdict's ability to care for their person or property has changed enough to justify a different outcome. Except for good cause, the court follows substantially the same procedure used for the original petition, which means real evidence and a hearing, not just a request.
Because interdiction is meant to be a last resort, Louisiana families frequently resolve capacity concerns without ever filing a petition.
A properly executed power of attorney, called a procuration or mandate under Louisiana law, lets a person designate an agent to handle financial or health care decisions while they still have the capacity to do so. Because a mandate is created voluntarily before incapacity sets in, it avoids the cost, delay, and public nature of a court proceeding entirely, and it is often the single most effective way to prevent an interdiction from ever becoming necessary.
For a person whose main vulnerability involves managing Social Security or other federal benefits, the Social Security Administration's representative-payee program can address the concern without any state court action. Supported decision-making arrangements, in which trusted family members help a person understand and communicate their own choices without displacing that person's authority, can also satisfy the less-restrictive-means requirement in appropriate cases.
Families in Monroe, West Monroe, and across Ouachita Parish most often bring interdiction petitions when an aging parent's dementia has progressed to the point that they can no longer manage finances or live independently, or when a young adult with a significant intellectual or developmental disability reaches the age of majority. The same statewide standards apply in Ruston, Bastrop, Farmerville, and throughout northeast Louisiana, because interdiction is governed by the Civil Code and Code of Civil Procedure, not by local parish rules, though the specific district court where a petition is filed and heard depends on where the family member is domiciled.
A contested interdiction can take several months from filing to judgment, particularly if the defendant's court-appointed attorney requests an independent medical evaluation or contests the petition outright. An uncontested case, where the defendant's own physician supports the petition and no family member objects, typically moves faster, though the court still must hold a hearing and make its own findings under the clear-and-convincing standard before signing a judgment. Rural and semi-rural parishes in this part of the state can also see longer waits for a docketed hearing date than the larger metropolitan districts, which is worth building into a family's expectations from the outset.
An interdiction proceeding rarely happens in isolation. Families in Monroe and the surrounding parishes often need to address a durable power of attorney that was never signed, an outdated succession plan, or a jointly held bank account at the same time they are considering a curator. Because a curator's authority is defined by the judgment itself, it is worth thinking through, before the petition is even filed, which specific financial accounts, property, and medical decisions the family actually needs the curator to control, rather than assuming a full interdiction is the only option.
Interdiction gives Louisiana families a structured, court-supervised way to protect a loved one who can no longer make or communicate reasoned decisions, but the law is built to use it sparingly and to allow it to be revisited later. A limited interdiction, a power of attorney, or a supported decision-making arrangement may accomplish the same protective goal with less disruption to the person's remaining independence. Because every case turns on the specific infirmity involved and the alternatives already tried, this article is informational only and is not a substitute for advice about a particular family's situation. Families in Monroe and throughout northeast Louisiana weighing an interdiction, a limited interdiction, or an alternative arrangement are welcome to contact Hudson, Potts & Bernstein through our contact page to discuss their circumstances.
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