Choyobun refers to the taxation that the Southern Court temporarily imposed on the territories of temples and shrines under their control in order to secure provisions and revenue during the period of the Northern and Southern Courts (Japan).
朝用分（ちょうようぶん・朝要分）とは、日本の南北朝時代(日本)に南朝(日本)が兵粮と財政収入確保のために自己の支配下の寺社領地などに臨時にかけた課税のこと。