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3. Declarations communicated to the Director-General of the International Labour Office in accordance with the preceding paragraph of this Article shall include an undertaking that the provisions of the Conventions set forth in the Schedule to this Convention shall be applied in the territory concerned either without modification or subject to modifications; when the declaration indicates that the provisions of one or more of the said Conventions will be applied subject to modifications it shall give in respect of each such Convention details of the said modifications. 4. The member, members, or international authority concerned may at any time by a subsequent declaration renounce in whole or in part the right to have recourse to' any modification indicated in any former declaration. 5. The member, members, or international authority concerned may, at any time at which this Convention is subject to denunciation in accordance with the provisions of Article 8, communicate to the Director-General a declaration modifying in any other respect the terms of any former declaration and stating the present position in respect of any one or more of the Conventions set forth in the Schedule. Article 3 The competent authority may, by regulations published beforehand, exclude from the application of any provisions giving effect to any of the Conventions set forth in the Schedule undertakings or vessels in respect of which, from their nature and size, adequate supervision may be impracticable. Article 4 In respect of each territory for which there is in force a declaration specifying modifications of the provisions of one or more of the Conventions set forth in the Schedule, the annual reports on the application of this Convention shall indicate the extent to which any progress has been made with a view to making it possible to renounce the right to have recourse to the said modifications. Article 5 1. The International Labour Conference may, at any session at which the matter is included in its agenda, adopt by a two-thirds majority amendments to the Schedule to this Convention, including the provisions of further Conventions in the Schedule or substituting for the provisions of any Convention set forth in the Schedule the provisions of any Convention revising that Convention which may have been adopted by the Conference. 2. Each member for which this Convention is in force and each territory for which a declaration accepting the obligations of this Convention in pursuance of Article 2 is in force shall, within the period of one year, or, in exceptional circumstances, of eighteen months, from the closing of the session of the Conference, submit any such amendment to the authority or authorities within whose competence the matter lies, for the enactment of legislation or other action. 3. Any such amendment shall become effective for each member for which this Convention is in force on acceptance by the said member and for each territory in respect of which a declaration accepting the obligations of the Convention in pursuance of Article 2 is in force on acceptance in respect of the said territory. 4. When any such amendment becomes effective for any member or for any territory in respect of which the obligations of this Convention have been accepted in pursuance of Article 2, the member, members, or international authority concerned shall communicate to the Director-General of the International Labour Office a declaration giving, in respect of the Convention or Conventions the provisions of which have been included in the Schedule by the amendment, the particulars required by paragraph 2 of Article 1 or paragraph 3 of Article 2, as the case may be.

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