King James I of Aragon decreed that the water tribunal was to remain 'as was established and become custom' in the area.
Notes on verification
Confirmed by Smithsonian and Amusing Planet, plus independent primary source citation of the original Fuero XXXV text in Catalan/Valencian, along with Spanish government and local historical sources. [cascade flags: wikipedia_dropped_other_sources_exist | tier=silver indep_score=0.75 clusters=4 claim_tier=notable | framework convergence=partial on Fuero XXXV, the medieval Valencian legal charter attributed to James I (upstreams: Fuero XXXV of James I of Aragon (1239), Vicente Giner Boira (20th century legal historian of the Tribunal)) — publishers independent, evidence may not be | kind=attributed eligibility=high (extractor: attributed/medium)]
Sources
- Drink in History at the World's Oldest Court (seed:law_and_crime)
- https://www.amusingplanet.com/2025/04/valencias-water-tribunal-is-worlds.html (corroboration)
- https://www.boe.es/diario_boe/txt.php?id=BOE-A-2006-16409 (corroboration)
- https://balansiya.com/herencia-tribunal-de-las-aguas/ (corroboration)
- https://nueva-acropolis.es/gandia/2024/el-tribunal-de-las-aguas/ (corroboration)