Private enforcement in State aid matters is a fascinating subject. This journal has always endeavoured to comment on the rulings handed down by the Luxembourg Community Courts on this subject (such as e. g. Van Calster, SWNB and F.J. Pape, as well as Transalpine Ölleitung) and, however selectively, on the body of national rulings in this area. Step by step the Community Courts have woven the carpet showing how private enforcement should work ever tigh