Res Gestae
Ammianus Marcellinus
Ammianus Marcellinus. Ammianus Marcellinus, with an English translation, Vols. I-III. Rolfe, John C., translator. Cambridge, MA; London: Harvard University Press; W. Heinemann, 1935-1940 (printing).
Finally, contrary to precedent, Caesar by entreaty had obtained this favour from the prefect, that he should be entrusted with the administration of the province of Second Belgium, which was overwhelmed by many kinds of calamities, and indeed with the proviso that no agent either of the prefect or of the governor should force anyone to pay the tax. So every one whom he had taken under his charge was relieved by this comforting news, and without being dunned they brought in their dues before the appointed date.
v1.p.319