Complex sentence: In the European Union and the EFTA member countries their status was formalized by the Data Protection Directive Article 28 of EU directive 95/46/EC and they were involved in the Madrid Resolution.
Split into simpler sentences: In the European Union and the EFTA member countries. Their status was formalized by the Data Protection Directive Article 28 of EU directive 95/46/EC and they were involved in the Madrid Resolution.