According to the Court, that general principle of Union law also applies to the Member States when they are implementing Union law.
De réir na Cúirte, tá feidhm freisin ag an bprionsabal ginearálta sin de chuid dhlí an Aontais maidir leis na Ballstáit nuair atá dlí an Aontais á chur chun feidhme acu.