# Article 4 — Compliance with the maximum divergence requirements **Commission Delegated Regulation (EU) 2017/574 · superseded — not in force · OJ L 87, 31.3.2017 · dated 7 Jun 2016 [no longer in force]** *No longer in force · Commission Delegated Regulation (EU) 2017/574, OJ L 87, 31.3.2017 · Checked against EUR-Lex on 26 Oct 2026 · [Official source](https://eur-lex.europa.eu/eli/reg_del/2017/574/oj/eng)* Operators of trading venues and their members or participants shall establish a system of traceability to UTC. They shall be able to demonstrate traceability to UTC by documenting the system design, functioning and specifications. They shall be able to identify the exact point at which a timestamp is applied and demonstrate that the point within the system where the timestamp is applied remains consistent. They shall conduct a review of the compliance of the traceability system with this Regulation at least once a year.