Judgment_paragraph 27 · Adina Onofrei v Conseil de l’ordre des avocats au barreau de Paris and Others (C-218/19)

27However, the Member States must exercise their powers in this area in a manner which respects the basic freedoms guaranteed by the FEU Treaty and provisions of national law adopted in that connection must not constitute an unjustified obstacle to the effective exercise of the fundamental freedoms guaranteed by Articles 45 and 49 TFEU (see, to that effect, judgment of 10 December 2009, Peśla, C‑345/08, EU:C:2009:771, paragraph 35).