Definition
In Spanish civil law, deposito is the contract of deposit: an agreement by which one party entrusts a movable object to another for safekeeping, on the condition that the object will be returned on demand. The party delivering the object is the depositor (deponente); the party receiving it is the depositario. The depositario acquires no ownership and no right to use the object — only an obligation of custody. The relationship is one of bailment, and the depositario is bound to return the identical object received.
Deposito is classified in the Spanish civil law tradition as a real contract, meaning the contract is formed not by mere agreement but by the actual delivery of the thing. No delivery, no contract.
Common Confusion
Deposito should not be confused with its Latin civil law cousin depositum, though the two concepts are closely related and historically continuous. Depositum is the Roman law and general civil law form; deposito is specifically the term used in the Spanish law tradition derived from that Roman foundation. In jurisdictions whose law descends from Spanish sources — Louisiana, Texas, California, and the former Spanish colonial territories — deposito may appear in historical instruments, land records, and commercial documents as the operative term. Researchers conflating the two may misread the applicable legal tradition governing a transaction or dispute.
Why It Matters in Research
Deposito is a term with narrow but specific relevance: it surfaces in legal materials from jurisdictions once governed by Spanish law, and in scholarship and litigation tracing property or commercial relationships through the Spanish colonial period.
Trap for the historical researcher: Because deposito is the Spanish civil law term and depositum is the Roman/general civil law term, a document using deposito signals that Spanish law — not merely generic civil law — is the frame of reference. That distinction mattered enormously in post-annexation litigation in Texas and California, where courts had to determine whether Spanish law, Mexican law, or common law governed a pre-statehood transaction. Using the wrong analytical frame produces wrong results.
Corpus connections: Deposito will appear alongside related Spanish law bailment and property concepts — comodato (loan for use), mutuo (loan for consumption), prenda (pledge) — in treatises and digests organizing Spanish private law. Researchers encountering deposito in a historical document should look for the broader contractual context to determine which species of bailment is actually at issue, since custodial relationships in Spanish law were carefully categorized and the obligations differed by category.
The "real contract" element is historically significant. Under Spanish civil law doctrine, a depositario who never actually received the object owed no duty — the formalities of delivery were constitutive, not merely evidentiary. This can affect how courts and historians evaluate whether a bailment obligation ever arose under a pre-statehood instrument.
Historical Dictionary Support
The four source dictionaries converge tightly. Black's (both editions) and Burrill define deposito as deposit and gloss it as the species of bailment so called under Spanish law, each citing Schmidt's Civil Law. Bouvier adds the most doctrinal texture, specifying the real-contract character of the agreement and the on-demand return obligation — both essential features of the concept. None of the sources disagree; the variation is only in depth.
What the historical sources miss: None of the dictionaries addresses the transition problem — how deposito was treated by American courts adjudicating Spanish-era transactions after annexation. That gap is significant for corpus researchers. The dictionary definitions establish the doctrine; the case law and treatises from the transition period (1840s–1890s) in Texas, California, and Louisiana show how that doctrine was applied, modified, or displaced.
Burrill's citation to White's New Recop. (White's New Recopilation of the Laws of Spain) is useful for researchers needing the Spanish statutory source rather than a civil law treatise summary.
Jurisdictional Note
Deposito as an operative legal concept appears primarily in materials from jurisdictions with a Spanish law heritage: Louisiana, Texas, California, New Mexico, Arizona, and Florida. In those jurisdictions, pre-statehood instruments using the term are governed by the Spanish civil law framework, not common law bailment principles. Modern equivalents in all U.S. jurisdictions are governed by common law or UCC bailment rules, and the term deposito has no current operative force.