Please note that Mommsen uses the AUC chronology (Ab Urbe Condita), i.e. from the founding of the City of Rome. You can use this reference table to have the B.C. dates
From: The History of Rome, by Theodor Mommsen
Translated with the sanction of the author by William Purdie Dickson
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. In criminal procedure presumably all capital causes, and in civil procedure those more difficult cases which presumed an independent action on the part of the directing magistrate, were reserved for the authorities and jurymen of the capital, and the Italian municipal courts were restricted to the minor and less complicated lawsuits, or to those which were very urgent.
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Reference address : http://www.ellopos.net/elpenor/rome/4-10-sullan-constitution.asp?pg=52