On the other hand, it was believed that Kotaishiki (Administrative transition regulations) and 'Gishiki' were compiled at the same time as the compilation of the Kyakushiki, and it was formally believed that there had been the Sandai Gishiki, which was composed of 'Konin Gishiki,' 'Jogan Gishiki,' and 'Engi Gishiki.'
その一方で、格式編纂時には同時に交替式と「儀式」が編纂されたと信じられ、古くは「弘仁儀式」・「貞観儀式」・「延喜儀式」からなる三代儀式が存在したと信じられていた。