The Seafarer Act Article 68
If a master is incapable of exercising his/her duties because of death or accidents during the voyage, and there are no successors are available, then the highest rank seafarer among deck officers shall act for on behalf of the master.
中文原文 船員法第68條
船舶在航行中，船長死亡或因故不能執行職務而未有繼任人時，應由從事駕駛之海員中職位最高之一人代理執行其職務。