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
Appeal to the Monarch
The relations of the regal and the republican jurisdiction were on the whole co-ordinate, so that any cause might be initiated as well before the king's bar as before the competent republican tribunal, the latter of course in the event of collision giving way; if on the other hand the one or the other tribunal had pronounced sentence, the cause was thereby finally disposed of. To overturn a verdict pronounced by the jurymen duly called to act in a civil or in a criminal cause even the new ruler was not entitled, except where special incidents, such as corruption or violence, already according to the law of the republic gave occasion for cancelling the jurymen's sentence.
On the other hand the principle that, as concerned any decree emanating merely from magistrates, the person aggrieved by it was entitled to appeal to the superior of the decreeing authority, probably obtained even now the great extension, out of which the subsequent imperial appellate jurisdiction arose; perhaps all the magistrates administering law, at least the governors of all the provinces, were regarded so far as subordinates of the ruler, that appeal to him might be lodged from any of their decrees.
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Reference address : https://www.ellopos.net/elpenor/rome/5-11-old-republic-new-monarchy.asp?pg=59