Administrative Regulations on Radio Waves Article 15

Ship stations shall be permitted to, upon receipt of the communications request of a coast station, transmit the signal via the same radio frequency and frequency tolerance as that of the coast station.
中文原文 電波監理業務管理辦法第15條
船舶電臺於海岸電臺要求與其通信時,得以海岸電臺相同之無線電頻率及容許差度發射。

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