A.—sc.

Article 21. As soon as the ratifications of two members of tie International Labour Organization have been registered, the Secretary-General of the League of Nations shall so notify all the members of the International Labour Organization. He shall likewise notify them of the registration of ratifications which may be communicated subsequently by other members of the Organization. Article 22. 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 effect 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. Article 23. At the expiration of each period of ten years after the coming into force of this Convention, the Governing Body of the International Labour Office shall present to the General Conference a report on the working of this Convention, and shall consider the desirability of placing on the agenda of the Conference the question of its revision in whole or in part. Article 24. 1. Should the Conference adopt a new Convention revising this Convention in whole or in part, then, unless the new Convention otherwise provides — (a) The ratification by a member of the new revising Convention shall ipso jure involve the immediate denunciation of this Convention, notwithstanding the provisions of Article 22 above, if and when the new revising Convention shall have come into force : (ib) As from the date when the new revising Convention comes into force this Convention shall cease to be open to ratification by the members. 2. This Convention shall in any case remain in force in its actual form and content for those members which have ratified it but have not ratified the revising Convention. Article 25. The French and English texts of this Convention shall both be authentic. Recommendation (No. 53) concerning Safety Provisions in the Building Industry. The General Conference of the International Labour Organization, Having been convened at Geneva by the Governing Body of the International Labour Office, and having met in its twenty-third session on 3rd June, 1937, and Having decided upon the adoption of certain proposals with regard to safety provisions for workers in the building industry with reference to scaffolding and hoisting-machinery, which is the first item on the agenda of the session, and Having determined that these proposals shall take the form of a Draft International Convention accompanied by a recommendation embodying a model code of safety regulations, adopts, this twenty-third day of June, of the year one thousand nine hundred and thirty-seven, the following recommendation which may be cited as the Safety Provisions (Building) Recommendation, 1937 : — Whereas it is desirable, with a view to intensifying the efforts being made by the members of the Organization to reduce the risk of accident in the building industry, to submit for their consideration model safety provisions and to arrange for an exchange upon an international scale of the experience acquired in the application of these provisions: Whereas the Safety Provisions (Building) Convention, 1937, embodies a series of general principles which require to be supplemented by detailed safety regulations : Whereas it is therefore desirable that members of the Organization which ratify that Convention should have at their disposal a model code of safety regulations which have been proved by experience to be calculated to reduce the risk of accidents : And whereas it is also desirable that such a model code should be available for the guidance of any members which may be unable to ratify immediately the Safety Provisions (Building) Convention, 1937 ; The Conference recommends that — 1. Each member of the International Labour Organization should give the fullest effect possible and desirable under national conditions to the provisions of, or provisions equivalent to the provisions of, the annexed model code. 2. Any members of the International Labour Organization which have not ratified the Safety Provisions (Building) Convention, 1937, should communicate every third year to the International Labour Office on a voluntary basis a report indicating the extent to which effect has been given to the model code.

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