Definition
A Latin term from Roman law with two distinct but related meanings:
1. A formal proposal of a law submitted to the Roman people for adoption or rejection — the procedural mechanism by which legislation was introduced under the Roman republican system. The magistrate who sponsored the measure put it to the popular assembly as a question, and the assembled citizens voted to accept or refuse it. Derivatively, rogatio came to refer to the law itself once passed by this form.
2. More broadly, an asking, question, or interrogation — the root sense from which the legislative meaning derives.
ROGATIO TESTIUM: A specialized application in the law of wills. In the making of a nuncupative (oral) will, the rogatio testium is the testator's formal act of calling upon bystanders to serve as witnesses, explicitly requesting that those present bear witness to the declaration of the testator's last wishes. This formal request was a required step in establishing the validity of an oral will.
Recognized Forms
/SUBTYPES
ROGATIO (legislative): The formal proposal of a bill or law to a popular assembly, requiring the assembled body to vote on a yes-or-no question. The law, once passed, could bear this name.
ROGATIO TESTIUM (testamentary): The testator's formal invocation of witnesses at the making of a nuncupative will — not merely their passive presence, but the testator's active and explicit request that they attend to and remember what is declared.
Why It Matters in Research
Researchers encounter rogatio in two distinct documentary streams, and conflating them creates errors.
In Roman law sources and histories of legislation, rogatio describes the procedural heart of popular lawmaking in the Republic. Burrill's citation to Aulus Gellius (Noctes Atticae x.20.7) is the key classical anchor: Gellius characterizes rogatio as the very origin and fountainhead of popular legislation, and that framing shaped how later civilian and common law scholars understood the relationship between legislative proposal and enacted law. When tracing the intellectual history of popular sovereignty, legislative form, or the distinction between a bill and an enacted statute, this Roman usage is the starting point.
In Anglo-American probate sources, rogatio testium is the operationally important form. Nuncupative wills were valid in English law under specific conditions, and the testator's explicit request that witnesses attend to the declaration — the rogatio — was one of those conditions. Researchers working in pre-twentieth-century probate records, equity proceedings, or treatises on executors (Williams on Executors is the standard reference cited in both Black's editions) will encounter rogatio testium as a term of art with real legal consequence. The question was not merely whether witnesses were present, but whether the testator formally called upon them. Courts distinguished between incidental bystanders and persons specifically rogated.
Be alert to the fact that nuncupative wills were progressively restricted and then abolished in most Anglo-American jurisdictions by Statute of Frauds legislation and its successors. Historical sources treating rogatio testium as operative law may describe a practice that had been superseded by the time of the source or was already limited to personal estate below a certain value.
The term does not appear in modern statutory or case law as a living term of art; its current relevance is exclusively historical and doctrinal.
Historical Dictionary Support
Black's (1st and 2nd editions) are in close agreement, offering the same two-sentence definition with only minor stylistic variation. Both treat rogatio testium as a subordinate entry, signaling that the drafters considered it a compound application rather than an independent concept. Neither edition develops the legislative meaning beyond a brief gloss.
Burrill's is the richer entry. It supplies the broader etymological anchor (from rogare), explicitly notes the double sense of asking/questioning and legislative proposal, and — most usefully — cites Gellius directly. Burrill's observation that "laws are passed at the present day by the same form of taking a question" reflects a nineteenth-century civilian consciousness that parliamentary and legislative procedure retained structural continuity with Roman forms, a point of genuine analytical interest for legal historians.
None of the three historical dictionaries engages with the procedural requirements surrounding rogatio testium in any depth — they cite Williams and Browne but do not analyze the case law or statutory restrictions on nuncupative wills. Researchers should treat the dictionary entries as orientation only and move directly to the treatise literature for substantive doctrinal content.
Jurisdictional Note
Rogatio testium as an operative legal concept was tied to the English law of nuncupative wills, which was significantly curtailed by the Statute of Frauds (1677) and later writing requirements. In American jurisdictions, nuncupative wills were restricted by state statute and in many states abolished entirely. The term retains historical relevance in jurisdictions where pre-statutory probate records survive.