Vaasen
Any court or tribunal may make a reference, provided:
Art. 267 TFEU
Court of MS is entitled to make a preliminary reference to the ECJ concerning:
a) National courts have discretion to decide whether to make a reference
b) Highest appellate court must make a reference
Broekmuelen
Appeals committees of professional bodies may also be considered courts or tribunals, as not all the Vaasen criteria need to be satisfied
Nordsee
An arbitration tribunal, to which members have voluntarily submitted, is NOT a court or tribunal for the purposes of Art. 267
Costa v ENEL
Bulmer v Bollinger
Courts with discretion to make a preliminary reference must be guided by:
Arsenal Football Club v Reed
Preliminary references are limited to points of law; ECJ’s jurisdiction does not extended to deciding matters of fact
Da Costa en Schaake
CILFIT
Van Gend en Loos
Pretore di Salò
National courts have wide discretion when deciding whether or not to make a preliminary reference
Foglia v Novello
ECJ may refuse to give a ruling following a preliminary reference if:
La Pyramide
ECJ may refuse to give a ruling following a PR if there is insufficient factual background supplied when reference is made
Foto-frost
National courts may not declare an EU act invalid; therefore, where there is uncertainty regarding its interpretation, the national court should make a reference