The Fourth Meeting of the Parties decided in Dec. IV/28 to request the Technology and Economic Assessment Panel to study and report, through the Secretariat, by 31 March 1994 at the latest, on a list of products containing controlled substances from Annex B to enable the Sixth Meeting of the Parties, in 1994, to consider the elaboration of such a list as an annex to the Protocol, in accordance with paragraph 3 bis of Article 4 of the Protocol.