A—sg.

(iv) The arrangement made in cases where the average duration of the workingweek is calculated over a number of weeks ; and . (v) Effective rest periods as defined in Article 3 ; and (b) Keep a record in the form prescribed by the competent authority of all additional hours worked in virtue of Articles 7, 8, and 9 of this Convention, and of the payments made in respect thereof. Article 11. Any member may suspend the operation of the provisions of this Convention during any emergency which endangers the national safety. Article 12. During a period which shall not exceed two years from the coming into force of this Convention for the member concerned, the competent authority may approve transitional arrangements in virtue of which— (a) The reduction of hours of work to the limits authorized by the preceding Articles may be accomplished by stages during the said period ; (b) Specified classes of workers or undertakings may be exempted from all or any of the provisions of the Convention during the said period. Article 13. The annual reports upon the application of this Convention to be submitted by members under Article 22 of the Constitution of the International Labour Organization shall include more particularly full information concerning— (a) Decisions taken in virtue of Article I, paragraph 3 (g) ; (b) Exemptions made in virtue of Article 2, and any conditions subject to which such exemptions are made ; (c) Any recourse to the provisions of Article 3, paragraph 2 ; (d) Determinations made in pursuance of Article 4, paragraph 4 ; (e) Regulations made in virtue of Article 5 ; (/) Determinations made in pursuance of Article 7, paragraph 2 ; (g) Allowance of overtime granted in virtue of Article 8 ; and (A) The extent to which recourse has been had to the provisions of Article 9. Article 14. In accordance with paragraph 11 of Article 19 of the Constitution of the International Labour Organization, nothing in this Convention shall affect any law, award, custom, or agreement between employers and workers which ensures more favourable conditions to the workers than those provided for by this Convention. Article 15. In the event of the Conference adopting a further Convention determining such modifications of the provisions of this Convention as may be required to meet the case of countries to which Article 19, paragraph 3, of the Constitution of the International Labour Organization applies, this Convention and the aforesaid further Convention shall be deemed to form one Convention. Article 16. The formal ratifications of this Convention shall be communicated to the Secretary-General of the League of Nations for registration. Article 17. 1. This Convention shall be binding only upon those members of the International Labour Organization whose ratifications have been registered with the Secretary-General. 2. It shall come into force twelve months after the date on which the ratifications of two members have been registered with the Secretary-General. 3. Thereafter this Convention shall come into force for any member twelve months after the date on which its ratification has been registered. Article 18. As soon as the ratifications of two members of the International Labour Organization have been registered, the Secretary-General of the League of Nations shall so notify all the members of the Interntional Labour Organization. He shall likewise notify them of the registration of ratifications which may be communicated subsequently by other members of the organization. Article 19. 1. A member which has ratified this Convention may denounce it after the expiration of ten years from the date on which the Convention first comes into force, by an act communicated to the Secretary-General of the League of Nations for registration. Such denunciation shall not take eSect until one year after the date on which it is registered. 2. Each member which has ratified this Convention and which does not, within the year following the expiration of the period of ten years mentioned in the preceding paragraph, exercise the right of denunciation provided for in this Article, will be bound for another period of ten years, and,.thereafter, may denounce this Convention at the expiration of each period of ten years under the terms provided for in this Article.

2—A. SG.

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