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
Punishment of Offenses against Order
The king inflicted at his discretion fines payable to the state for trespasses against order and for police offences; they consisted in a definite number (hence the name -multa-) of cattle or sheep. It was in his power also to pronounce sentence of scourging.
Law of Private Offenses
In all other cases, where the individual alone was injured and not the public peace, the state only interposed upon the appeal of the party injured, who caused his opponent, or in case of need by laying violent hands on him compelled him, to appear personally along with himself before the king. When both parties had appeared and the plaintiff had orally stated his demand, while the defendant had in similar fashion refused to comply with it, the king might either investigate the cause himself or have it disposed of by a deputy acting in his name.
The regular form of satisfaction for such an injury was a compromise arranged between the injurer and the injured; the state only interfered supplementarily, when the aggressor did not satisfy the party aggrieved by an adequate expiation (-poena-), when any one had his property detained or his just demand was not fulfilled.
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Reference address : https://www.ellopos.net/elpenor/rome/1-11-law-justice.asp?pg=7