The principle of ne bis in idem and the application of criminal sanctions : of scope and restrictions – ECJ 20 March 2018, Case C-524/15, Luca Menci; ECJ 20 March 2018, C-537/16, Garlsson Real Estate SA and Others v Commissione Nazionale per le Società e la Borsa (Consob); ECJ 20 March 2018, Joined Cases C-596/16 and C-597/16, Enzo Di Puma v Consob and Consob v Antonio Zecca.   -- In:  European constitutional law review -- ISSN 1574-0196. -- Vol. 14, (2018), no. 3, s. 644-663.