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
In Matters of Finance
With respect to details as a matter of course in strictly political affairs Caesar avoided, so far as was at all possible, any delegation of his functions. Where it was inevitable, as especially when during his frequent absence from Rome he had need of a higher organ there, the person destined for this purpose was, significantly enough, not the legal deputy of the monarch, the prefect of the city, but a confidant without officially-recognized jurisdiction, usually Caesar's banker, the cunning and pliant Phoenician merchant Lucius Cornelius Balbus from Gades.
In administration Caesar was above all careful to resume the keys of the state-chest--which the senate had appropriated to itself after the fall of the regal power, and by means of which it had possessed itself of the government--and to entrust them only to those servants who with their persons were absolutely and exclusively devoted to him. In respect of ownership indeed the private means of the monarch remained, of course, strictly separate from the property of the state; but Caesar took in hand the administration of the whole financial and monetary system of the state, and conducted it entirely in the way in which he and the Roman grandees generally were wont to manage the administration of their own means and substance. For the future the levying of the provincial revenues and in the main also the management of the coinage were entrusted to the slaves and freedmen of the Imperator and men of the senatorial order were excluded from it-- a momentous step out of which grew in course of time the important class of procurators and the "imperial household."
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Reference address : https://www.ellopos.net/elpenor/rome/5-11-old-republic-new-monarchy.asp?pg=50