Council Regulation (EEC) No 1930/90 of 29 June 1990 amending Regulation (EEC) No 3972/86 on food-aid policy and food-aid management, Regulation (EEC) No 2507/88 on the implementation of storage programmes and early warning systems and Regulation (EEC) No 2508/88 on the implementation of co-financing operations for the purchase of food products or seeds by international bodies or non-governmental organizations