In addition, in basic and applied research for which no EU methods are prescribed, Article 4 is very clear in requiring the use of alternative methods wherever possible. Therefore, the requirement to use alternative methods is not weakened; on the contrary, it is further strengthened.
De plus, dans la recherche fondamentale et appliquée, pour lesquelles il n’existe aucune prescription méthodologique européenne, l’article 4 est des plus clairs. Il exige le recours à des méthodes de substitution, dès que possible.