A/RES/55/157 preventive or enforcement measures taken by the Security Council under Chapter VII of the Charter, in view of their magnitude and of the adverse impact on the economies of those States, Recalling the provisions of its resolutions 50/51 of 11 December 1995, 51/208 of 17 December 1996, 52/162 of 15 December 1997, 53/107 of 8 December 1998 and 54/107 of 9 December 1999, 1. Renews its invitation to the Security Council to consider the establishment of further mechanisms or procedures, as appropriate, for consultations as early as possible under Article 50 of the Charter of the United Nations with third States which are or may be confronted with special economic problems arising from the carrying out of preventive or enforcement measures imposed by the Council under Chapter VII of the Charter, with regard to a solution of those problems, including appropriate ways and means for increasing the effectiveness of its methods and procedures applied in the consideration of requests by the affected States for assistance; 2. Welcomes the measures taken by the Security Council since the adoption of General Assembly resolution 50/51, most recently the note by the President of the Security Council of 17 April 2000, 17 whereby the members of the Security Council decided to establish an informal working group of the Council to develop general recommendations on how to improve the effectiveness of United Nations sanctions, looks forward to the findings of the working group, in particular to those regarding the issues of unintended impacts of sanctions and assistance to States in implementing sanctions, and strongly recommends that the Council continue its efforts to further enhance the effectiveness and transparency of the sanctions committees, to streamline their working procedures and to facilitate access to them by representatives of States that find themselves confronted with special economic problems arising from the carrying out of sanctions; 3. Requests the Secretary-General to pursue the implementation of General Assembly resolutions 50/51, 51/208, 52/162, 53/107 and 54/107 and to ensure that the competent units within the Secretariat develop the adequate capacity and appropriate modalities, technical procedures and guidelines to continue, on a regular basis, to collate and coordinate information about international assistance available to third States affected by the implementation of sanctions, to continue developing a possible methodology for assessing the adverse consequences actually incurred by third States and to explore innovative and practical measures of assistance to the affected third States; 4. Welcomes the report of the Secretary-General containing a summary of the deliberations and main findings of the ad hoc expert group meeting on developing a methodology for assessing the consequences incurred by third States as a result of preventive or enforcement measures and on exploring innovative and practical measures of international assistance to the affected third States, 18 and renews its invitation to States and relevant international organizations within and outside the United Nations system which have not yet done so to provide their views regarding the report of the ad hoc expert group meeting; 17 18 4 S/2000/319; see Resolutions and Decisions of the Security Council, 2000. A/53/312.