In the best British constitutional tradition, I believe it is the simplest one. (politics.co.uk)
As a result, the ECJ attaches a broader significance to the principle of legality as part of the common constitutional traditions of Member States and enshrined in Article 49 of the Charter. (verfassungsblog.de)
On the other side, instead of recognizing the interpretation of the principle of legality as a part of the Italian constitutional identity, the Court maintained that this interpretation is part of the «constitutional traditions common to the Member States» pursuant to Art. 6.3 TUE.. (europeanlawblog.eu)