Customs Act Article 24

The time and place of loading and unloading of all imported and exported goods shall be designated by Customs. In the case that the goods are of a perishable or dangerous nature, or with any special reason approved by Customs, such loading and unloading will not be subject to time and place limitations.
中文原文 關稅法第24條
進出口貨物應在海關規定之時間及地點裝卸;其屬於易腐或危險物品,或具有特殊理由,經海關核准者,其裝卸不受時間及地點限制。

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