Regulations for Passenger Ship Administration Article 9
The term "outer sea route" when used herein shall mean routes on outer seas or between islands in possession of the R.O.C, which are not the coastal route.
中文原文 客船管理規則第9條
本規則所稱外海航線，指船舶航行於本國外海、或附屬島嶼間之航線，而不屬於沿海航線者。