(1) Any country of the Union may declare, as from the date of this Act, and at any time before becoming bound by Articles 1 to 21 and this Appendix:
(i) if it is a country which, were it bound by Articles 1 to 21 and this Appendix, would be entitled to avail itself of the faculties referred to in Article I(1), that it will apply the provisions of Article II or of Article III or of both to works whose country of origin is a country which, pursuant to (ii) below, admits the application of those Articles to such works, or which is bound by Articles 1 to 21 and this Appendix; such declaration may, instead of referring to Article II, refer to Article V;
(ii) that it admits the application of this Appendix to works of which it is the country of origin by countries which have made a declaration under (i) above or a notification under Article I.
(2) Any declaration made under paragraph (1) shall be in writing and shall be deposited with the Director General. The declaration shall become effective from the date of its deposit.