# Article 16a — Post-trade risk reduction services (Article 31(4), point (b), of Regulation (EU) No 600/2014) **Commission Delegated Regulation (EU) 2017/567 · binding · OJ L 87, 31.3.2017 · dated 18 May 2016 [in force]** *In force · Consolidated version of 23 August 2026 · Checked against EUR-Lex on 26 Oct 2026 · [Official source](https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX:02017R0567-20260823)* 1. For the purposes of Article 31(1) of Regulation (EU) No 600/2014, post-trade risk reduction services are services that meet all the following conditions: **(a)** they are provided by a third-party service provider on the basis of non-discretionary rules that are set in advance; **(b)** the post-trade risk reduction exercise is accepted in full and, as a result, the participants in that exercise are not able to choose which trades to execute under the post-trade risk reduction exercise; **(c)** they have the purpose of achieving a reduction of risk in each derivatives portfolio submitted to the post-trade risk reduction exercise by the counterparties to the derivative transactions; **(d)** they are market-risk neutral, within the tolerances set by the counterparties to the derivative transactions submitted to the post-trade risk reduction exercise; **(e)** transactions that result from a post-trade risk reduction exercise do not contribute to price formation. 2. For the purposes of Article 31(1) of Regulation (EU) No 600/2014, post-trade risk reduction services shall include compression services, rebalancing services, and basis risk optimisation services. **CHAPTER IV — DERIVATIVES**