1 The present Protocol
                           shall be open for signature at the Headquarters of the Organization
                           from 1 June 1978 to 31 May 1979 and shall thereafter remain open for
                           accession. States may become Parties to the present Protocol by:
                        
                        
                        
                        
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                                 (a) signature without reservation as to ratification,
                                 acceptance or approval; or
                              
                              
                              
                            
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                                 (b) signature, subject to ratification, acceptance
                                 or approval, followed by ratification, acceptance or approval; or
                              
                              
                              
                            
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                                 (c) accession.
                              
                              
                              
                            
                        
                        
                        
                      
                     
                     
                     
                        
                        
                         
                           2 Ratification, acceptance,
                           approval or accession shall be effected by the deposit of an instrument
                           to that effect with the Secretary-General of the Organization.