However, many official documents for domestic communication that have nothing to do with diplomacy (e.g. certificates for decoration for the Japanese, appointment letters, etc.) with the title 'Nihonkoku Kotei' as issuer are identified.
しかし、それ以外の外交とは関係の無い国内向けの公文書(例えば日本人向けの勲記、辞令等)においても「日本国皇帝」を発令者とするものが多数確認されている。