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# Article 1 — Subject matter

**Commission Delegated Regulation (EU) 2017/575 · binding · OJ L 87, 31.3.2017 · dated 8 Jun 2016 [in force]**

*In force · Commission Delegated Regulation (EU) 2017/575, OJ L 87, 31.3.2017 · Checked against EUR-Lex on 26 Oct 2026 · [Official source](https://eur-lex.europa.eu/eli/reg_del/2017/575/oj/eng)*

This Regulation lays down the specific content, the format and the periodicity of the data to be published by execution venues relating to the quality of execution of transactions. It shall apply to trading venues, systematic internalisers, market makers, or other liquidity providers.