TUDCN organised on 19-20 March 2015 in Brussels a seminar on Organisational Capacity Assessment (OCA). It was attended by representatives from UNI, Solidarity Center (USA), CGT (Argentina), CSC (Belgium), FNV Mondiaal (Netherlands), CGSLB (Belgium), TUCA, ISCOS (Italy), KSBSI (Indonesia), IndustriALL, CNV (Netherlands), LO-TCO (Sweden), ITUC-Africa, and the TUDCN team.