Yasumori ADACHI established the magistrate's office of council system (Chinzeidangisho (magistrate's office of Kyushu region)) in Kyushu to judge Onsho (reward grants) and lawsuits for Kyushu gokenin who had worked for the defense of Japan against Mongol invasion attempts, but Yoritsuna, instead of this, founded a new institution (Chinzei tandai (office of the military governor of Kyushu)) which was managed only by the Tokuso party.
元寇防衛に働いた九州御家人の恩賞・訴訟を判定するため、安達泰盛は九州に合議制の奉行（鎮西談議所）を置いていたが、頼綱はそれに代えて、得宗派で固めた新機関（鎮西探題）を設置した。