s Article 32 Accession
From the date of its entry into force, the present Convention shall be open for accession by all States mentioned in Article 30 which have not signed it, as well as any other State invited to accede by the Executive Board of the United Nations Educational, Scientific and Cultural Organization. Accession shall be effected by the deposit of an instrument of accession with the Director-General of the United Nations Educational, Scientific and Cultural Organization.