In each department, there is bucho (general manager), fuku-bucho (assistant general manager) (currently there is no one in this position in Kaigaibu and Zaimubu and shunin (manager), and especially, the bucho of Shomubu is practically in the position of supporting sokan.
各部には部長、副部長（現在、海外部と財務部は空席）、主任が置かれており、特に庶務部長は実質的に総監を補佐する立場にある。