There was a rumor that more than 1000 warriors had joined in the force of the rebels, and on April 29, a gijo (official meeting) was held in Gosho (Imperial Palace) of the Emperor Gotoba to designate Iga Province as Tomomasa's chigyo koku (provincial fiefdom) for justifying his punitive expedition.
京都では反乱軍の勢力は千余人に及ぶとの風聞があり、3月21日、後鳥羽天皇の御所で議定があり、伊賀国を朝雅の知行国と定め、追討の便宜を図った。