In addition, there was conflict of views between Iwakura and Ito regarding reform of the peerage system and introduction of cabinet (Japan) system in future (Iwakura worried about adding new meritorious retainers during the Meiji Restoration to the peerage and abolishment of institution of ministers based on existing the ritsuryo system [a system of centralized government based on the ritsuryo code] and Dajokan [Great Council of State] system, because he thought he would be excluded from the center of the government.)
また、華族制度改革や将来の内閣_(日本)制度導入を巡って、岩倉との間に見解の相違があることも明らかになってきた（岩倉は華族に維新の功臣が加えられることや既存の律令制・太政官制度に基づいた大臣制が廃止されることで、公家出身の自分が政府の中枢から排除されることを警戒していた）。