Kanmotsu are the tithes that were collected by the imperial court and Ryoseikoku (province) as tax such as Soyocho under the Ritsuryo system (a system of centralized government based on the ritsuryo code).
官物（かんもつ）とは、律令制において租庸調以下、租税として朝廷及び令制国に納入された貢納物のこと。