text: specified in the various sectors of the Lagos Plan of Action where no such programme has yet been provided for or by updating the existing programme in the light of the experience gained since the adoption of the Lagos Plan of Action and Final Act and of present requirements; 2, Calls upon the secretariats of ECA and OAU to take all necessary steps to hold periodic meetings for consultation between the secretariats of the existing subregional economic groupings with a view to the hori­ zontal and vertical co-ordination and harmonization of their policies and programmes so as to promote broader effective co-operation among member States; 3, Appeals to potential member States of these groupings that have not yet done so to sign and ratify the Treaty for the establishment of the Preferential Trade Area (PTA) for Eastern and Southern African States and the Treaty establishing the Economic Community of Central African States (ECCAS); 4, Requests the ECA secretariat, in collaboration with the OAU secretariat, to prepare a programme of work with a view to the establish­ ment of an African economic community by the year 2000 for submission to the twelfth meeting of the Conference of Ministers; IV. Interregional technical and economic co-operation 1. Takes note of the recommendation made by the executive secretaries of the regional commissions at their meeting to work closely with the C Chairman of the Group of 77 in the implementation of the Caracas Pro­ gramme of Action; 2. Urges the member States of the Commission, in order for them to participate effectively in the promotion of interregional co-operation, to: (a) Join and give political and financial support to all the regional institutions established by them to promote economic co-operation and integration; - 109 - (b) Take all necessary action to exploit complementarities between interregional, regional and subregional organizations and institutions; 
analysis: The text appears to be focused on economic cooperation and integration among African states, with references to various regional and subregional economic groupings, treaties, and programs. It also mentions the promotion of interregional cooperation and the establishment of an African economic community. These themes suggest that the text is primarily concerned with economic development and international trade.