text: assistance for developing countries, called for the resumption of assistance to his country, the interruption of which he found unjustified. 98. The technique of controlled delivery, provided for in article 11, was praised by several speakers as being extremely useful. Various controlled delivery operations that had led to arrests and important seizures were reported upon. 99. With regard to article 12, some speakers indicated that a number of substances used in the illicit manufacture of amphetamines had been placed under control in their countries in order to prevent their diversion. One observer reported in detail on the establishment in his country of a system for monitoring the international trade in substances listed in Tables I and II of the 1988 Convention. The observer for the Commission of the European Communities (CEC) stated that CEC was preparing proposals to regulate the - 23 - trade in precursors within its member States. He further stated that care should be given so that application of article 12 would be consistent with the principles underlying the unification of the European market in 1992. 100. The President of INCB informed the Commission of the activities undertaken by the Board with respect to article 12. He reported on the creation of a new unit specialized in the control of precursors within the secretariat of INCB, on the establishment of a data bank on the chemical substances listed in Tables I and II of the 1988 Convention and on the drawing up of a model questionnaire for the collection of technical information from Governments. He mentioned the decision taken by INCB to convene a group of specialized experts to consider the concepts and criteria underlying article 12. He also announced that the Commission, at its thirty-fourth session, would receive a report from INCB as provided for in article 12. 
analysis: The text discusses international efforts to combat drug trafficking, specifically the implementation of the 1988 Convention and the control of precursors. The focus is on the technical aspects of controlling the trade in substances listed in the Convention, including the creation of a data bank and the drawing up of a model questionnaire. While it does not directly address economic development or humanitarian aid, it is related to international cooperation and the application of international law.