The entries of Emperor Kogon, Emperor Komyo, Emperor Suko, Emperor Gokogon and Emperor Goenyu (the entries concerning the genealogy of the so-called Northern Court of Japan) are registered in a separately provided thin booklet in accordance with the Taitofu (the old Article 41).
光厳天皇、光明天皇、崇光天皇、後光厳天皇、及び後円融天皇に係る事項（いわゆる北朝(日本)の系統にかかる事項）は、別に簿冊を設け、大統譜に準じて登録する（旧41条）。