< Decision III/15: Annex to the Montreal Protocol Up one level Decision III/17: Amendment of the Vienna Convention > Decision III/16: Trade Issues The Third Meeting of the Parties decided in Dec. III/16 to encourage the Parties to inform the Secretariat of the implementation of Article 4 of the Protocol. < Decision III/15: Annex to the Montreal Protocol Up one level Decision III/17: Amendment of the Vienna Convention >