The Commercial Port Law Article 28
In the absence of permission from the Commercial Port Administrative Authority, Maritime and Port Bureau or the designated agencies, no ship is allowed to give signals, set off fireworks, or detonate explosives within a commercial port area. When encountering a fire or an emergency event, a ship shall whistle and ring a bell. It shall also hoist a warning flag during daytime, and set off a signal light, signal fire or flashlight during the nighttime.
中文原文 商港法第28條
船舶在商港區域內，非經商港經營事業機構、航港局或指定機關同意，不得施放信號彈、煙火或其他爆發物。
如發生失火或緊急事故時，應鳴放汽笛及警鐘，日間並應懸掛警報旗號，夜間燃放信號彈、焰火或閃光。
如發生失火或緊急事故時，應鳴放汽笛及警鐘，日間並應懸掛警報旗號，夜間燃放信號彈、焰火或閃光。