Dispute settlements mechanism under article 20 of the Basel Convention : compilation made by the Secretariat of the responses of the parties to the Basel Convention to the question in Annex 2 of the report of the third session of the consultative sub-group of legal and technical experts (UNEP/CHW/LSG/3/5) / Joint meeting of the Technical Working Group with the Consultative Sub-Group of Legal and Technical Experts of the Basel Convention, second session, Geneva, 14-16 April 1999