Gosaga-in strengthened the function of insei by formalizing the system of delivery, which was a position for the delivery of reports from Benkan (弁官) and Kurodo (蔵人) to the Emperor, and by establishing In-no-hyojo, where the In, together with Hyojo-shu, participated in decision/permission regarding lawsuits.
後嵯峨院は、奏事（弁官や蔵人による奏上）を取り次ぐ役職である伝奏の制度化、そして院が評定衆とともに相論（訴訟）裁許に当たる院評定を確立し、院政の機能強化に努めた。