The administration of justice was conducted by four magistrates, two regular judges corresponding to the two consuls, and two market-judges corresponding to the curule aediles.

The functions of the censorship, which recurred, as in Rome, every five years and, to all appearance, consisted chiefly in the superintendence of public buildings, were also undertaken by the supreme magistrates of the community, namely the ordinary -duumviri-, who in this case assumed the distinctive title of -duumviri- "with censorial or quinquennial power." The municipal funds were managed by two quaestors.

Religious functions primarily devolved on the two colleges of men of priestly lore alone known to the earliest Latin constitution, the municipal pontifices and augurs.
Relation of the -Municipium- to the State With reference to the relation of this secondary political organism to the primary organism of the state, political prerogatives in general belonged completely to the former as well as to the latter, and consequently the municipal decree and the -imperium- of the municipal magistrates bound the municipal burgess just as the decree of the people and the consular -imperium- bound the Roman.
This led, on the whole, to a co-ordinate exercise of power by the authorities of the state and of the town; both had, for instance, the right of valuation and taxation, so that in the case of any municipal valuations and taxes those prescribed by Rome were not taken into account, and vice versa; public buildings might be instituted both by the Roman magistrates throughout Italy and by the municipal authorities in their own district, and so in other cases.

In the event of collision, of course the community yielded to the state and the decree of the people invalidated the municipal decree.

A formal division of functions probably took place only in the administration of justice, where the system of pure co-ordination would have led to the greatest confusion.