4. Encourages the introduction and demonstration of cost-effective methods, selected from the methods contained in section IV G of the above-mentioned updated general technical guidelines, in developing countries and countries with economies in transition; 5. Welcomes the continuing work of the relevant bodies of the Basel Convention related to reviewing and updating the technical guidelines regarding persistent organic pollutants; 6. Encourages Parties to the Stockholm Convention to ensure the participation of experts in the ongoing work under the Basel Convention referred to in paragraph 5 above and invites them to submit comments to the Secretariat of the Basel Convention; 7. Welcomes the cooperation between the Secretariat of the Stockholm Convention and the Secretariat of the Basel Convention and requests the Secretariat, in cooperation with the Secretariat of the Basel Convention, to undertake, within available resources, training and other capacity-building activities, including those contained in the note by the Secretariat, to assist developing countries and countries with economies in transition in implementing the present decision.