# Article 10 — Effective exercise of supervisory functions **Commission Delegated Regulation (EU) 2017/1943 · binding · OJ L 276, 26.10.2017 · dated 14 Jul 2016 [in force]** *In force · Commission Delegated Regulation (EU) 2017/1943, OJ L 276, 26.10.2017 · Checked against EUR-Lex on 26 Oct 2026 · [Official source](https://eur-lex.europa.eu/eli/reg_del/2017/1943/oj/eng)* A group structure within which the investment firm will operate shall be considered to be an obstacle to the exercise of the supervisory function of the competent authority for the purposes of Article 10(1) and (2) of Directive 2014/65/EU in any of the following cases:\ a) it is complex and not sufficiently transparent;\ b) it has a geographical location of group entities;\ c) it includes activities performed by the group entities that may prevent the competent authority to effectively appraise the suitability of the shareholders or members with qualifying holdings or the influence of close links with the investment firm.