commiss decis decemb recogn hungari free clavibact michiganensi smith davi al ssp sepedonicu spieckerman kotthoff davi al ec commiss european commun regard treati establish european commun regard council direct eec decemb protect measur introduct commun organ harm plant plant product spread commun amend commiss direct ec annex iii part thereto provis annex iii part direct eec tuber solanum tuberosum seed potato potato annex iii part origin european countri recogn free clavibact michiganensi smith davi al ssp sepedonicu spieckerman kotthoff davi al introduc member state appear offici inform suppli hungari aforement harm organ occur countri long maintain strict control post entri inspect test procedur aforement harm organ import potato establish risk aforement harm organ spread decis prejudic subsequ find show aforement harm organ present countri commiss ensur yearli basi hungari make technic inform assess aforement situat measur provid decis accord opinion stand committe plant health adopt decis articl declar hungari recogn free clavibact michiganensi smith davi al ssp sepedonicu spieckerman kotthoff davi al articl decis address member state brussel decemb commiss franz fischler member commiss oj oj