Hangan, the third-rank official, held the authority to decide (it was called 'Han'), and more than one hangan made decisions for part of the case (called Bunhan) and passed it to Tsuhangan, the second-rank official.
第三等官の判官から決裁権限（これを「判」という）を有することになるが、複数の判官が分担で決裁（分判）を行い、第二等官の通判官へ上げる。