Kani Sotosei was the bureaucrats hierarchy system that set the constant suitability relationship between Ikai (Court rank) and government post given to a government official on the Japanese Ritsuryo system (a system of centralized government based on the ritsuryo code).
官位相当制（かんいそうとうせい）とは、日本の律令制において、官人に付与する位階と官職との間に一定の相当関係を設定した官僚序列システム。