council regul ec march amend regul eec lai commun procedur establish maximum residu limit veterinari medicin product foodstuff anim origin council european union regard treati establish european commun articl thereof regard propos commiss regard opinion european parliament regard opinion econom social committe regul eec gradual evalu substanc author date entri forc regul articl thereof lai effect januari administr food produc anim veterinari medicin product pharmacolog activ substanc mention annex ii iii prohibit commun order commun procedur continu sound scientif basi depriv veterinari surgeon user substanc need protect anim health time limit extend substanc document applic establish maximum residu limit lodg commiss european agenc evalu medicin product januari period extens differ natur substanc adopt regul articl subparagraph ad articl regul eec date refer previou subparagraph defer substanc author date entri forc regul respect document applic establish maximum residu limit lodg commiss european agenc evalu medicin product januari januari case product deriv pyrasolidon nitroimidazol arsanil acid phenylbutazon januari case substanc agenc publish list substanc june articl regul enter forc dai public offici journal european commun appli januari regul bind entireti directli applic member state brussel march council presid de boer oj opinion deliv februari publish offici journal opinion deliv februari publish offici journal oj regul amend commiss regul ec oj