On December 30, an imperial proclamation to nominate Shinomiya was issued, renaming him Imperial Prince Asahito, who was officially invested in crown princedom in the ceremony of investiture of the Crown Prince next year, on March 7, 1683, the first such rite after a long interval since the (Japanese) Medieval Age.
12月2日_(旧暦)には四宮の親王宣下が行われて「朝仁親王」の名が与えられ、翌3年（1683年）2月9日_(旧暦)には中世以来断絶していた立太子式が行われて朝仁親王が正式に皇太子に立てられた。