There were special exceptions such as the Matsuura family in Hizen Province (Hizen no kami, also Iki no kami), the Sanada family in Shinano Province (Shinano no kami, also Izu no kami), and the So family in Tsushima Province (Tushima no kami), etc. who were allowed to use their territory names.
肥前国の松浦氏（肥前守、他には壱岐守）、信濃国の真田氏（信濃守、他には伊豆守）、対馬国の宗氏（対馬守）等は例外として許可