# Article 13 — Trading phases and indicative auction price and volume **Commission Delegated Regulation (EU) 2017/580 · binding · OJ L 87, 31.3.2017 · dated 24 Jun 2016 [in force]** *In force · Commission Delegated Regulation (EU) 2017/580, OJ L 87, 31.3.2017 · Checked against EUR-Lex on 26 Oct 2026 · [Official source](https://eur-lex.europa.eu/eli/reg_del/2017/580/oj/eng)* 1. Operators of trading venues shall maintain a record of the order details as specified in Section K of Table 2 of the Annex. 1. Where competent authorities request details referred to in Section K pursuant to Article 1, the details referred to in fields 9 and 15 to 18 of Table 2 of the Annex shall also be considered as details pertaining to the order concerned by that request.