The state of a person appointed to several government posts were called Kennin (serving two positions) or Kentai (filling two positions), while transferring to another government post was referred to as Tennin (general promotion) or Sennin (transfer to a different division) and a reappointment to the former government post was referred to as Kannin, Gennnin, (reappointment) or Genpo (.reassign).
また、ある個人が複数の官職に補任されていることを兼任・兼帯と呼び、他の官職に移ることを転任・遷任（前者は通常の昇進、後者は部門の異なる部署への異動）、かつて補任されていた官職に再度補任されることを還任（かんにん/げんにん）・還補（げんぽ）と称した。