The second session of the General Fishery Commission for the Mediterranean (GFCM) Scientific Advisory Committee (SAC) met in Rome, Italy, from 7 to 10 June 1999 and was attended by delegates from seventeen out of twenty-two Members of the Committee. The main issues discussed during the meeting were the identification of management units and fishing effort parameters. The terms of reference of the different Sub-Committees initiated by the First Scientific Advisory Committee were finalized. The Co mmittee elected the Coordinators of the four Sub-Committees and discussed the conclusions of the Sub-Committee for Stock Assessment which was entrusted with the items 5, 6 and 7 of the SAC Agenda and reviewed the activities of COPEMED concerning artisanal fisheries.