Since the Emperor was regarded as the national supreme leader by the Meiji Restoration, the form of a series of ceremonies in regard of the accession and enthronement of the Emperor was defined by the newly established Imperial House Act and Tokyoku-rei.
明治維新により天皇が国家の最高指導者に位置付けられてからは皇室典範並びに登極令の制定により天皇の践祚・即位に関わる一連の儀式の様式が定められた。