These laboratories shall also be responsible for the coordination in Member State's territory of the Union-wide quality assurance programmes to be organised by the Commission's Joint Research Centre and shall also be responsible for coordinating, on the national level, the appropriate use of reference methods, and the demonstration of equivalence of non-reference methods.
les laboratoires nationaux de référence participent, au moins une fois tous les trois ans, aux programmes d'assurance de la qualité à l'échelle de l'Union organisés par le Centre commun de recherche de la Commission.