Civil Aviation Act Article 47-4

The operator of an airport shall designate certain areas of the airport as security restricted area for purposes of maintaining security and operation.The personnel, vehicles and articles carried or transported by them shall be screened by Aviation Police Office when entering and leaving the security restricted area.
中文原文 民用航空法第47-4條
航空站經營人為維護安全及運作之需求,應劃定部分航空站區域為管制區。
人員、車輛及其所攜帶、載運之物品進出管制區,應接受航空警察局檢查。

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