The succession to Emperor Gensho was based on the condition of the accession of young Prince Obito (the Prince of Emperor Shomu and the forty-second Emperor Monmu; he became a Prince during the era of Emperor Genmei) to the imperial throne.
また、元正天皇への継承は、幼かった皇太子首皇子（聖武天皇・第42代文武天皇の皇子・元明天皇の頃に立太子）の即位が前提であった。