In accordance with Kozoku Shinirei (Koshitsu-rei <the Imperial Families' Act.>, already abolished), when one becomes a legal adult, he is bestowed the order of supreme merit, and is given the Grand Cordon of the Supreme Order of the Chrysanthemum.
皇族身位令（皇室令。既に廃止）に準じて、成年となった場合は大勲位の勲等に叙せられ、大勲位菊花大綬章が授けられる。