The Roman Army A to Z: officium

officium (n. pl. officia)

Office or administrative organisation of a unit. o. consularis: office staff of a provincial legatus Augusti pro praetore (CIL III, 10505); o. corniculariorum: office staff under a cornicularius (CIL VIII, 1875); o. legati legionis: the office staff of a legatus legionis (AE 1993, 1587); o. praesidis: the office staff of a praeses (CIL III, 4311; V, 8275). [Fink 1971]