Acting hetman performed duties of the hetman when the later was absent during military campaigns, foreign travels, or his incapacitation. As well as a temporary replacement if the hetman's office became vacant, because of death, abdication, or deposition. Sometimes the appointed hetman acted as a full-pledged hetman as Filon Dzhalaliy when he was elected in 1651 and 1655 as well as Ivan Bohun when he was elected after the Battle of Berestechko (Bohdan Khmelnytsky was taken as a prisoner) or as in case of Pavlo Polubotok when he acted as hetman due to the death of such.