The Administrative Regulations on the Ship Radio Station Article 13

The radio frequency and operation for distress, urgency, and safety communication should be conducted in accordance with the regulations of the Communication Operation Directions for Ship Radio Stations.The Communication Operation Directions for Ship Radio Stations shall be enacted and promulgated by the NCC.
中文原文 船舶無線電臺管理辦法第13條
船舶之遇險、緊急及安全通信,其使用之無線電頻率及通信作業,應依船舶無線電臺通信作業要點規定辦理。
前項船舶無線電臺通信作業要點由主管機關訂定並發布之。

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