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
Punishments Inflicted on Particular Communities
But with this concession in principle was combined a most rigid inquisition, conducted by special commissioners with the co-operation of the garrisons distributed throughout Italy, in respect to particular communities in all districts of the land. Several towns were rewarded; for instance Brundisium, the first community which had joined Sulla, now obtained the exemption from customs so important for such a seaport; more were punished.
The less guilty were required to pay fines, to pull down their walls, to raze their citadels; in the case of those whose opposition had been most obstinate the regent confiscated a part of their territory, in some cases even the whole of it--as it certainly might be regarded in law as forfeited, whether they were to be treated as burgess-communities which had borne arms against their fatherland, or as allied states which had waged war with Rome contrary to their treaties of perpetual peace. In this case all the dispossessed burgesses--but these only--were deprived of their municipal, and at the same time of the Roman, franchise, receiving in return the lowest Latin rights.(7)
7. Cf. II. VII. Latins. To this was added the peculiar aggravation that, while in other instances the right of the Latins, like that of the -peregrini-, implied membership in a definite Latin or foreign community, in this case--just as with the later freedmen of Latin and deditician rights (comp. IV. VII. The Bestowal of the Franchise and Its Limitations. n.)--it was without any such right of urban membership. The consequence was, that these Latins were destitute of the privileges attaching to an urban constitution, and, strictly speaking, could not even make a testament, since no one could execute a testament otherwise than according to the law of his town; they could doubtless, however, acquire under Roman testaments, and among the living could hold dealings with each other and with Romans or Latins in the forms of Roman law.
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Reference address : https://www.ellopos.net/elpenor/rome/4-10-sullan-constitution.asp?pg=14