Half-mast Implementation Regulations Article 6
The date and duration of the half-mast described in Article 4.1 and the previous article shall be determined by the half-mast approving authority.
中文原文 國旗下半旗實施辦法第6條
第四條第一項各款及前條下半旗之日期、期間，由下半旗決定機關定之。