18 months after the adoption of a proposal to further reinforce EU rules on anti-money laundering to counter terrorist financing and increase transparency about who really owns companies and trusts by the European Commission, the new obligatory rules enter into force at EU-28 member states.

The new rules force the bloc’s member states to give tax authorities access to data collected under anti-money laundering legislation, as of 1 January 2018.

As of Monday, the EU’s national tax authorities h...