И.О.
See also: и.о.
Russian
Alternative forms
- и.о. (i.o.)
Adjective
И.О. • (I.O.) (indeclinable)
- initialism of исполня́ющий обя́занности (ispolnjájuščij objázannosti): acting (temporarily assuming the duties or authority of another person when they are unable to do their job)