Ex ante assessment of new measures and monitoring
Article 4
1. Member States shall undertake an assessment of proportionality in accordance with the rules laid down in this Directive before introducing new, or amending existing, legislative, regulatory or administrative provisions restricting access to, or the pursuit of, regulated professions. 2. The extent of the assessment referred to in paragraph 1 shall be proportionate to the nature, the content and the impact of the provision. 3. Any provision referred to in paragraph 1 shall be accompanied by an explanation which is sufficiently detailed to make it possible to appraise compliance with the principle of proportionality. 4. The reasons for considering that a provision referred to in paragraph 1 is justified and proportionate shall be substantiated by qualitative and, wherever possible and relevant, quantitative elements. 5. Member States shall ensure that the assessment referred to in paragraph 1 is carried out in an objective and independent manner. 6. Member States shall monitor the compliance of new or amended legislative, regulatory or administrative provisions restricting access to, or the pursuit of, regulated professions, after adoption, with the principle of proportionality, having due regard to any developments that have occurred since the provisions concerned were adopted.