# Article 2 — Definition of the term ‘trading venue operator’ **Commission Implementing Regulation (EU) 2017/1005 · binding · OJ L 153, 16.6.2017 · dated 15 Jun 2017 [in force]** *In force · Commission Implementing Regulation (EU) 2017/1005, OJ L 153, 16.6.2017 · Checked against EUR-Lex on 26 Oct 2026 · [Official source](https://eur-lex.europa.eu/eli/reg_impl/2017/1005/oj/eng)* For the purposes of this Regulation, ‘trading venue operator’ means any of the following:\ **(a)** a market operator operating a regulated market, an MTF or an OTF; **(b)** an investment firm operating an MTF or an OTF.