---
urn: "urn:us-la:civcode:art:1831"
article_number: "1831"
status: active
heading: "Party must prove obligation"
breadcrumb: "Book III › Title III › Chapter 5"
source_url: "https://legis.la.gov/legis/Law.aspx?d=109070"
acts_citations_raw: "Acts 1984, No. 331, §1, eff. Jan. 1, 1985."
acts_citations:
  - act_year: 1984
    act_number: 331
    section: 1
    effective_date: 1985-01-01
    role: enactment
schema_version: "1.0.0"
---

# Art. 1831. Party must prove obligation

A party who demands performance of an obligation must prove the existence of the obligation.

A party who asserts that an obligation is null, or that it has been modified or extinguished, must prove the facts or acts giving rise to the nullity, modification, or extinction.