commiss decis decemb amend council direct ec date laid articl member state authoris extend valid decis equival seed potato countri notifi document number text eea relev ec commiss european commun regard treati establish european commun regard council direct ec june market seed potato subparagraph articl thereof direct ec effect date member state longer determin equival seed potato harvest countri seed potato harvest commun compli direct work establish commun equival seed potato countri concern complet direct ec permit member state extend march valid equival decis seed potato countri cover commun equival absenc commun rule equival seed potato harvest countri seed potato harvest commun authoris grant member state direct ec extend period valid equival decis continu year period direct ec amend measur provid decis accord opinion stand committe seed propag materi agricultur horticultur forestri adopt decis articl subparagraph articl direct ec quot march quot replac quot march quot articl decis address member state brussel decemb commiss marko kyprian member commiss oj direct amend direct ec oj