(a) Any declaration under paragraph (1) notified before the expiration of the period of ten years from the entry into force of Articles 1 to 21 and this Appendix according to Article 28(2) shall be effective until the expiration of the said period. Any such declaration may be renewed in whole or in part for periods of ten years each by a notification deposited with the Director General not more than fifteen months and not less than three months before the expiration of the ten-year period then running.
(b) Any declaration under paragraph (1) notified after the expiration of the period of ten years from the entry into force of Articles 1 to 21 and this Appendix according to Article 28(2) shall be effective until the expiration of the ten-year period then running. Any such declaration may be renewed as provided for in the second sentence of subparagraph (a).
(3) Any country of the Union which has ceased to be regarded as a developing country as referred to in paragraph (1) shall no longer be entitled to renew its declaration as provided in paragraph (2), and, whether or not it formally withdraws its declaration, such country shall be precluded from availing itself of the faculties referred to in paragraph (1) from the expiration of the ten-year period then running or from the expiration of a period of three years after it has ceased to be regarded as a developing country, whichever period expires later.
(4) Where, at the time when the declaration made under paragraph (1) or (2) ceases to be effective, there are copies in stock which were made under a license granted by virtue of this Appendix, such copies may continue to be distributed until their stock is exhausted.
(5) Any country which is bound by the provisions of this Act and which has deposited a declaration or a notification in accordance with Article 31 (1) with respect to the application of this Act to a particular territory, the situation of which can be regarded as analogous to that of the countries referred to in paragraph (1), may, in respect of such territory, make the declaration referred to in paragraph (1) and the notification of renewal referred to in paragraph
(2). As long as such declaration or notification remains in effect, the provisions of this Appendix shall be applicable to the territory in respect of which it was made.
(a) The fact that a country avails itself of any of the faculties referred to in paragraph (1) does not permit another country to give less protection to works of which the country of origin is the former country than it is obliged to grant under Articles 1 to 20.
(b) The right to apply reciprocal treatment provided for in Article 30(2) (b), second sentence, shall not, until the date on which the period applicable under Article I(3) expires, be exercised in respect of works the country of origin of which is a country which has made a declaration according to Article V(1) (a).