Postulatio

Lat In Roman law. A request or petition. This was the name of the first step in a criminni prosecution, corresponding somewhat to "swearing out a warrant" in modern criminal law. The accuser appeared before the prætor, and stated his desire to institute criminal proceedings against a designated person, and prayed the authority of the magistrate therefor.

In old English ecclesiastical law. A species of petition for transfer of a bishop.

— Postulatio actionis. In Roman law. The demand of an action ; the request made to the prætor by an actor or plaintiff for an action or formula of suit; corresponding with the application for a writ in old English practice. Or, as otherwise explained, the actor's asking of leave to institute his action, on appearance of the parties befoie the orætor. Halhtax, Civil Law, b. 3, c. 9, no. 12.