The significant reduction in customs duties on industrial products entering the two new Member States should benefit non-member countries. In January 1987, at the end of particularly difficult negotiations in which each side resorted to retaliatory and counter-retaliatory measures, the parties signed a four-year interim agreement.
Au terme de négociations particulièrement difficiles, émaillées de mesures de rétorsion et de contre-rétorsion de part et d'autre, les parties ont signé en janvier 1987 un accord temporaire d'une durée de quatre ans.