Enforcement Rules of Food Administration Act Article 12

The contracted public stock keeper consigned to handle public stock affairs pursuant to Article 8 of this Act, the rates of handling fee and wastage rate of the public stock shall be determined by the competent authority.
中文原文 糧食管理法施行細則第12條
公糧業者依本法第八條規定辦理公糧業務所需各項費用之費率及糧食之損耗率,由主管機關定之。

English translation for reference only; the Chinese text prevails. Not legal advice.