The duplicate copy of the Kotofu Rei was to be retained by 'Naidaijin-fu' (Office of Minister of the Center) as prescribed in the old Kotofu Rei (the old Article 2, Paragraph 2), while in the existing Kotofu Rei it was to be retained by 'Ministry of Justice' (the existing Article 2).
皇統譜令の副本は、旧令では「内大臣府」で保管すると定めたが（旧2条2項）、現行令では「法務省」でこれを保管すると定めた（現2条）。