Accession by Peru contained the following declaration: "With respect to the provisions of Article 11(3)(b) of the Strasbourg Agreement Concerning the International Patent Classification of 1971, the Republic of Peru states that all amendments to Articles 7, 8, 9 and 11 of the said Agreement shall only enter into force for Peru once it has notified the Director General of WIPO of its acceptance of them." (see Strasbourg Notification No. 76)