As the board member of Hokke Ko of each branch temple, there are koto (the head of the Ko), fuku-koto (vice head of the Ko), kanji (organizer), and kaikei (account) of representatives of kochu and they are all defined as 'Kumi-sewayaku' (careers of the religious group) not to teach members of Ko belonged to other temples since it is regarded as an ultravires act against chief kyoshi (the chief priest and shukan (supervisor)).
各末寺の法華講の役員には講中の代表者の講頭、副講頭、幹事、会計がいるが、法華講の役員はすべて「組世話役」と定義され、他の寺院に所属する講員に対して指導することは指導教師（住職・主管）に対する越権行為に当たるのでしないことになっている。