The Criminal Division of the Court of Cassation published an explanatory note and delivered six important decisions (n. 1174, no. 1175, no. 1176, no. 1177, no. 1178 and no. 1179) subsequently. This explanatory note helps to explain the exact place for applying those decisions. Decisions addresses a number of key issues relating to the fight against tax evasion and money laundering in the context of the development of positive law, in particular conventional jurisprudence and the Constitution.