Their main businesses included approving decisions within their jurisdiction and sending applications and reports to the central government, and on those occasions, official documents were required to be issued with attached evidence which proved the event had been performed officially.
管轄区域内での決裁事項に対して裁可を下したり、中央に申請や報告を行ったりするのがその主な業務となるが、この際には必ず公式に行われたものであることの証明を添付した公文書を発行する必要がある。