The Hague Agreement Concerning the International Deposit of Industrial Designs o

Article 25
 
 
 
(1)
 Each contracting State undertakes to provide for the protection of industrial designs and to adopt, in accordance with its constitution, the measures necessary to ensure the application of this Agreement. 
 
(2)
 At the time a contracting State deposits its instrument of ratification or accession, it must be in a position under its domestic law to give effect to the provisions of this Agreement. 
 
 
Article 26
 
 
 
(1)
 This Agreement shall enter into force one month after the date on which the Government of the Swiss Confederation has dispatched a notification to the contracting States of the deposit of ten instruments of ratification or accession, at least four of which are those of States which, at the date of the present Agreement, are not party either to the 1925 Agreement or to the 1934 Agreement. 
 
(2)
 Thereafter, the deposit of instruments of ratification and accession shall be notified to the contracting States by the Government of the Swiss Confederation. Such ratifications and accessions shall become effective one month after the date of the dispatch of such notification unless, in the case of accession, a later date is indicated in the instrument of accession. 
 
 
Article 27
 
 
 
Any contracting State may at any time notify the Government of the Swiss Confederation that this Agreement shall also apply to all or part of those territories for the external relations of which it is responsible. Thereupon, the Government of the Swiss Confederation shall communicate such notification to the contracting States and the Agreement shall apply also to the said territories one month after the dispatch of the communication by the Government of the Swiss Confederation to the contracting States unless a later date is indicated in the notification.
 
 
 
Article 28
 
 
 
(1)
 Any contracting State may, by notification addressed to the Government of the Swiss Confederation, denounce this Agreement in its own name and on behalf of all or part of the territories designated in the notification under Article 27. Such notification shall take effect one year after its receipt by the Government of the Swiss Confederation. 
 
(2)
 Denunciation shall not relieve any contracting State of its obligations under this Agreement in respect of designs deposited at the International Bureau prior to the date on which the denunciation takes effect. 
 
 
Article 29
 
 
 
(1)
 This Agreement shall be submitted to periodical revision with a view to the introduction of amendments designed to improve the protection resulting from the international deposit of designs. 
 
(2)
 Revision conferences shall be called at the request of the International Design Committee or of not less than one-half of the contracting States. 
 
 
Article 30
 
 
 
(1)
 Two or more contracting States may at any time notify the Government of the Swiss Confederation that, subject to the conditions indicated in the notification: 
 
 
 1.
 a common Office shall be substituted for the national Office of each of them; 
 
 
 2.
 they shall be deemed to be a single State for the purposes of the application of Articles 2 to 17 of this Agreement. 
 
(2)
 Such notification shall not take effect until six months after the date of dispatch of the communication thereof by the Government of the Swiss Confederation to the other contracting States. 
 
 
Article 31
 
 
 
(1)
 This Agreement alone shall be applicable as regards the mutual relations of States party to both the present Agreement and the 1925 Agreement or the 1934 Agreement. However, such States shall, in their mutual relations, apply the 1925 Agreement or the 1934 Agreement, as the case may be, to designs deposited at the International Bureau prior to the date on which the present Agreement becomes applicable as regards their mutual relations. 
 
 
(2) 
 (a)
 Any State party to both the present Agreement and the 1925 Agreement shall continue to apply the 1925 Agreement in its relations with States party only to the 1925 Agreement, unless the said State has denounced the 1925 Agreement. 
 
 
 (b)
 Any State party to both the present Agreement and the 1934 Agreement shall continue to apply the 1934 Agreement in its relations with States party only to the 1934 Agreement, unless the said State has denounced the 1934 Agreement.