Nakatsukasasho (Ministry of Central Affairs) served the emperor and took charge of clerical jobs at the court such as preparing imperial edicts, taking the dictation of the emperor and conveying messages to the emperor as well as paperwork related to letters of appointment and the family register.
中務省-天皇に侍従し、詔勅の作成・宣旨、伝奏などの宮中事務や位記・戸籍などの事務を掌る。