Council Directive 77/93/EEC of 21 December 1976 on protective measures against the introduction into the Member States of harmful organisms of plants or plant products
Modified by
Ninth Commission Directive 90/506/EEC of 26 September 1990 amending annex IV to Council Directive 77/93/CEE on protective measures against the introduction into the member states of organisms harmful to plants or plant products
October 8, 1990 annex 4 Amendment