The Comitia Curiata (a popular assembly) was summoned by the lictors until the late republic, when the Comitia met less frequently and the 30 divisions of the people, or curiae, delegated 30 lictors as their representatives.

The Comitia Curiata was composed of 30 curiae, or local groups, drawn from three ancient tribus, or tribes; the Comitia Centuriata consisted of 193 centuries, or military units; the Concilium Plebis was drawn from the ranks of the plebes, or plebeians (common people); and the Comitia…

…assembly of these curiae, the Comitia Curiata, was for a time the sole legal representative of the entire Roman populus. The Comitia Curiata dated from the time of the Roman kings. By late Republican times its importance had dwindled, and its chief functions were simply to confer the imperium (supreme…