132 



2. Accession shall be effected by the deposit of wn instriniieiit of ac- 

 cession ^vith the Director-General of the United Nations Pklucational, 

 Scientific and Cultural Organization. 



Article 33 



This Convention shall enter into force three months after the date 

 of the deposit of the twentieth instrument of ratification, accei)tance or 

 accession, but only with respect to those States which have deposited 

 their respective instruments of ratification, acceptance or accession on 

 or before that date. It shall enter into force with respect to any other 

 State three months after the deposit of its instrument of ratification, 

 acceptance or accession. 



Article 34 



The followinfr provisions shall apply to those States Parties to this 

 Convention which have a federal or non-unitary constitutional system : 



(a) with regard to the provisions of this Convention, the imple- 

 mentation of which comes under the legal jurisdiction of the fed- 

 eral or central legislative power, the obligations of the federal or 

 central government shall be the same as tor those States Parties 

 which are not federal States; 



(b) with regard to the provisions of this Convention, the imple- 

 mentation of which comes under the legal jurisdiction of indi- 

 vidual constituent States, countries, provinces or cantoris that arc 

 not obliged by the constitutional system of the federation to take 

 legislative measures, the federal government shall inform the 

 competent authorities of such States, countries, provinces or can- 

 tons of the said- provisions, with its recommendation for their' 

 adoption. 



Article 35 



1. Each State Party to this Convention may denounce the Conven- 

 tion. 



2. The denunciation shall be notified by an instrument in writing, 

 deposited with the Director-General of the United Nations Educa- 

 tional, Scientific and Cultural Organization. 



3. The denunciation shall take effect twelve months after the receii^t 

 of the instrument of denunciation. It shall not affect the financial obli- 

 gations of the denouncing State until the date on which the withdrawal 

 takes effect. 



Article 36 

 The Director-General of the United Nations Educational, Scientific 

 and Cultural Organization shall inform the States members of the 

 Organization, the States not members of tiie Organization which are 

 referred to in Article 32, as well as the United Nations, of the deposit 

 of all the instruments of ratification, acceptance, or accession provided 

 for in Articles 31 and 32, and of the denunciations pro\'ided for in 

 Article 35. 



