Kokuga without kokushi were called "rusu dokoro," the department that handled tax collection called "zeisho," "saisho" and so on, "tadokoro," "daichosho" and "suitodokoro and so on," the department that handled military affairs was called "kondeidokoro," "kebiishidokoro," "umayadokoro" and so on, and the department that oversaw miscellaneous duties was called "mandokoro," "chosho," "saikudokoro," "zendokoro" and so on, were sent there and zaichokanjins belonged to these departments and performed their duties.
国司のいない国衙は、留守所と呼ばれ、租税収取を所管する部署（税所（ぜいしょ・さいしょ等）、田所（たどころ）、大帳所（だいちょうしょ）、出納所（すいとうどころ）など）や、軍事を所管する部署（健児所（こんでいどころ）、検非違使所（けびいしどころ）、厩所（うまやどころ）など）、所務・雑務を所管する部署（政所（まんどころ）・調所（ちょうしょ）、細工所（さいくどころ）、膳所（ぜんどころ）など）が置かれ、在庁官人はこれらの部署に所属して実務に従事していた。