++++ Approximation of laws ° Protection of plant health ° Directive 77/93 ° Requirement of prior authorization for all imports of plants susceptible to fire blight introduced unilaterally by a Member State ° Not permissible ° Breach of the prohibition of measures having equivalent effect (EEC Treaty, Arts 30, 36 and 100; Regulation No 234/68 of the Council, Art. 10(1); Council Directive 77/93, Art. 11)