The fifth criticism points out that in Emperor Koko's edict upon enthronement there is a descriptions that says 'the faculty of Imperial Sun Succession (Amatsuhitsugi) to the Imperial Throne (Takamikura) is 'the law established for the first time' by Emperor Tenchi.
第五は、光孝天皇の即位詔に、「天日嗣高御座の業」は天智天皇が「初め賜い定め賜える法」だとある点である。