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3. The said committee shall consider whether the collective agreements reported to it provide for conditions of employment which constitute full compensation for the non-application of this Part of this Convention. Each member ratifying the Convention undertakes to give consideration to any observations or suggestions made by the committee concerning such agreements and further undertakes to bring any such observations or suggestions to the notice of the organizations of shipowners and officers who are parties to such agreements. Article 17 1. The rate or rates of compensation for overtime shall be prescribed by national laws or regulations or be fixed by collective agreement, but in no case shall the hourly rate of payment for overtime be less than one and a quarter times the basic pay or wages per hour. 2. Collective agreements may provide for compensation by equivalent time off duty and off the vessel in lieu of cash payment or for any other method of compensation. Article 18 1. There shall be no consistent working of overtime. 2. Time spent in the following work shall not be included in normal hours of work or be regarded as overtime for the purposes of this Part of this Convention :—• (a) Work that the master deems to be necessary and urgent for the safety of the vessel, cargo or persons on board ; (b) Work required by the master for the purpose of giving assistance to other vessels or persons in distress ; (c) Musters, fire, lifeboat and similar drills of the kind prescribed by the International Convention for the Safety of Life at Sea for the time being in force ; (d) Extra work for the purposes of customs or quarantine or other health formalities; (e) Normal and necessary work by officers for the determination of the position of the ship and for making meteorological observations ; (/) Extra time required for the normal relieving of watches. 3. Nothing in this Convention shall be deemed to impair the right and duty of the master of a vessel to require, or the duty of an officer or rating to perform, any work deemed by the master to be necessary for the safe and efficient operation of the vessel. Article 19 1. No person under the age of sixteen years shall work at night. 2. For the purpose of this Article, " night" means a period of at least nine consecutive hours between times before and after midnight to be prescribed by national laws or regulations or collective agreements. Part IV.—Manning Article 20 1. Every vessel to which this Convention applies shall be sufficiently and efficiently manned for the purposes of — {a) Ensuring the safety of life at sea ; (b) Giving effect to the provisions of Part 111 of this Convention ; and (c) Preventing excessive strain upon the crew and avoiding or minimizing as far as practicable the working of overtime. 2. Each Member undertakes to maintain, or to satisfy itself that there is maintained, efficient machinery for the investigation and settlement of any complaint or dispute concerning the manning of a vessel. 3. Representatives of the organizations of shipowners and seafarers shall participate, with or without other persons or authorities, in the operation of such machinery.

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