3. Member States shall postpone the adoption of national measures for 6 months from the date of the notification referred to in paragraph 2.
The postponement referred to in the first subparagraph of this paragraph shall not apply in cases where the national measure aims at addressing a serious and present threat of money laundering or terrorist financing. In that case, the notification referred to in paragraph 2 shall be accompanied by a justification as to why the Member State will not postpone its adoption.