The Implementing Regulation on Air-raid Practice Article 13
The air-raid practice shall be executed at least once a year, its design, executed items, participation authorities (or utilities) and staffs, job assignment, practice time and area, shall be defined by the competent authority.
中文原文 防空演習實施辦法第13條
防空演習每年至少應實施一次，其演習實施之構想、演練項目、參加機關（構）及人員、任務區分、演習時間及地區等計畫，由主管機關定之。