(1) [Notification of Common Office] If several States intending to become party to this Act have effected, or if several States party to this Act agree to effect, the unification of their domestic legislation on industrial designs, they may notify the Director General
(i) that a common Office shall be substituted for the national Office of each of them, and
(ii) that the whole of their respective territories shall be deemed to be a single Contracting Party for the purposes of the application of Articles 1, 3 to 20 and 31 of this Act.
(2) [Time at Which Notification Is to Be Made] The notification referred to in paragraph (1) shall be made,
(i) in the case of States intending to become party to this Act, at the time of the deposit of the instruments referred to in Article 27(2);
(ii) in the case of States party to this Act, at any time after the unification of their domestic legislation has been effected.
[Article 21, continued]
(3) [Date of Entry into Effect of the Notification] The notification referred to in paragraphs (1) and (2) shall take effect,
(i) in the case of States intending to become party to this Act, at the time that such States become bound by this Act;
(ii) in the case of States party to this Act, three months after the date of the communication thereof by the Director General to the other Contracting Parties or at any later date indicated in the notification.
The Contracting Parties shall be members of the Union.
Any Contracting Party that is not already bound by the provisions of Articles 2 to 5 of the Complementary Act of 1967 shall, from the date on which its ratification of, or accession to, the present Act enters into force, be bound by those provisions, subject to Article 24 and Article 25(2) of this Act, and provided that
(i) references in those provisions to countries, to those countries which have ratified or acceded to this Complementary Act or to Government shall be construed as references to Contracting Parties, and
(ii) references in those provisions to the Special Union shall be construed as references to the Union.
(1) [Content] The Regulations shall govern the details of the implementation of this Act. They shall, in particular, provide rules concerning
(i) matters which this Act expressly provides are to be prescribed;
(ii) further details concerning, or any details useful in the implementation of, the provisions of this Act;
(iii) any administrative requirements, matters or procedures.
(2) [Requirement of Unanimity] (a) The Regulations shall specify the Rules which may be amended only by unanimity.
(b) Exclusion, for the future, of any Rules designated as requiring unanimity for amendment from such requirement shall require unanimity.
(c) Inclusion, for the future, of the requirement of unanimity for the amendment of any Rule shall require unanimity.
(3) [Conflict Between This Act and the Regulations] In the case of conflict between the provisions of this Act and those of the Regulations, the former shall prevail.