OBS_VALUE: Article 4 states that the term “seaman” as mentioned in this Regulation refers to the personnel who has been registered as a seaman and obtained a seaman's service book, including captain, officers and ratings. Article 5 To be registered as a seaman, one shall satisfy the following requirements:(1) Having attained to the age of 18 (16 as for a trainee or probationer) but not more than 60 years old;(2) Satisfying the health requirements for seamen; (3) Having completed the basic safety training and having passed the examination of the maritime administrative organ. To be registered as a seaman of ships of international voyage, one shall also pass the professional foreign language test for seamen. 