After the nomination, the imperium of the dictator was confirmed by a lex curiata (see CoMITIA).
They were to be elected for five years by seventeen of the tribes chosen by lot from the thirty-five; the imperium was to be conferred upon them by the lex curiata, together with judicial powers and the rank of praetor.
The distribution of these functions amongst the various comitia, and the differences in their organization, were as follows: The comitia curiata had in the later Republic become a merely formal assembly.
Its main function was that of passing the lex curiata which was necessary for the ratification both of the imperium of the higher magistracies of the people, and of the potestas of those of lower rank.
For the purpose of passing the lex curiata, and probably for its other purposes as well, this comitia was in Cicero's day represented by but thirty lictors (Cic. de Lege Agraria, ii.
The comitia curiata and the two assemblies of the tribes met within the walls, the former usually in the Comitium, the latter in the Forum or on the Area Capitolii; but the elections at these assemblies were in the later Republic held in the Campus Martius outside the walls.
22), says that it dated from the time of the kings, but his ground is merely that they were mentioned in the Lex Curiata of the consul Brutus, which Tacitus assumes to have been identical with that of the kings.
Under the terms of this the consuls, who were optimates, bound themselves to betray their party by securing, apparently fraudulently, the election of the candidates while they in turn bound themselves to procure two ex-consuls who would swear that they were present in the senate when supplies were voted for the consular provinces, though no meeting of the senate had been held, and three augurs who would swear that a lex curiata had been passed, though the comitia curiata had not been convened (Att.
They originally summoned the comitia curiata, and when its meetings became merely a formality, acted as the representatives of that assembly.