This Directive shall not preclude Member States from maintaining or introducing more stringent provisions in order to protect consumers, provided that such provisions are consistent with their obligations under Union law.

Notwithstanding paragraph 1, Member States shall not maintain or introduce in their national law provisions diverging from those laid down in Article 14(2) and Annex II Part A with regard to standard pre-contractual information through a European Standardised Information Sheet (ESIS) and Article 17(1) to (5), (7) and (8) and Annex I with regard to a common, consistent Union standard for the calculation of the annual percentage rate of charge (APRC).