AHG/Res. 115 (XIX) 5. CONGRATULATES Member States of Eastern and Southern Regions on the establishment of a Common Preferential Trade Area (PTA); 6. NOTES WITH SARISFACTION the progress made by the Member States of the Central African Region to establish an Economic Community in the Region and URGES them to continue their efforts to finally realize the proposed community arrangement; 7. URGES Member States of the North African Region to intensify their efforts to establish an economic grouping for the Region; 8. CALLS UPON the Secretary-General, in close collaboration with the Executive Secretary of the ECA, to prepare and submit biennially Progress Report covering the following areas: a) The activities of the OAU and ECA Secretariats relating to the implementation of the Plan and the Final Act; b) Member States’ national efforts to implement the Plan and the Final Act; c) The activities of OAU Specialized Agencies, UN Agencies, other intergovernmental and non-governmental organizations relating to the implementation of the Lagos Plan of Action and the Final Act.