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(c) The term " passenger ship " means a ship in respect of which there is in force either (i) a safety certificate issued in accordance with the provisions of the International Convention for the Safety of Life at Sea for the time being in force or (ii) a passenger certificate ; (d) The term " officer " means a person other than a master ranked as an officer by national laws or regulations, or, in the absence of any relevant laws or regulations, by collective agreement or custom ; (e) The term " rating " means a member of the crew other than an officer ; (/) The term " petty officer " means a rating serving in a supervisory position or position of special responsibility who is classed as petty officer by national laws or regulations, or, in the absence of any relevant laws or regulations, by collective agreement or custom ; (g) The term " crew accommodation " includes such sleeping rooms, mess rooms, sanitary accommodation, hospital accommodation and recreation accommodation as are provided for the use of the crew; (h) The term " prescribed " means.prescribed by national laws or regulations or by the competent authority; (i) The term " approved " means approved by the competent authority; (j) The term " reregistered " means reregistered on the occasion of a simultaneous change in the territory of registration and ownership of the vessel. Article 3 1. Each Member for which this Convention is in force undertakes to maintain in force laws or regulations which ensure the application of the provisions of Parts 11, 111, and IV of this Convention. 2. The laws or regulations shall—(a) Require the competent authority to bring them to the notice of all persons concerned; (b) Define the persons responsible for compliance therewith ; (c) Prescribe adequate penalties for any violation thereof; (d) Provide for the maintenance of a system of inspection adequate to ensure effective enforcement; (e) Require the competent authority to consult the organizations of shipowners and/or the shipowners and the recognized bona fide trade unions of seafarers in regard to the framing of regulations, and to collaborate so far as practicable with such parties in the administration thereof. Part ll.—Planning and Control op Crew Accommodation Article 4 1. Before the construction of a ship is begun a plan of the ship, showing on a prescribed scale the location and general arrangement of the crew accommodation, shall be submitted for approval to the competent authority. 2. Before the construction of the crew accommodation is begun and before the crew accommodation in an existing ship is altered or reconstructed, detailed plans of, and information concerning, the accommodation, showing on a prescribed scale and in prescribed detail the allocation of each space, the disposition of furniture and fittings the means and arrangement of ventilation, lighting and heating, and the sanita , arrangements, shall be submitted for approval to the competent authority : Provided that in the case of emergency or temporary alterations or reconstruction effected outside the territory of registration it shall be sufficient compliance with this provision if the plans are subsequently submitted for approval to the competent authority.

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