In the Edo Shogunate, roju (senior councillor of the Tokugawa shogunate) was kahan no retsu, but in the beginning those who were qualified to attend Hyojosho (conference chamber) such as kanjo bugyo (commissioner of finance) were also considered as kahan.
江戸幕府にあっては老中が加判の列であるが、当初は勘定奉行など評定所に出席できる資格の有する者も、加判であるとされた時期もあった。