Inshi issued letters and orders such as "in no cho kudashibumi" (a letter issued by in no cho), "in no cho cho" (orders issued by in no cho) and "inzen" (a decree from the retired Emperor) under the "Chiten no kimi" (the retired emperor in power) in order to carry out the cloister government.
院司は、治天の君（皇室の家長）の命を受け、院庁下文・院庁牒・院宣を発給し、治天の政治意思を具現化するため、実務を遂行していった。