{"release":{"id":"a4f2a0495fe55b47323883f82977a9b34ab66171ec9623e39925d3a7045b6c81","published":"2026-11-01T16:41:30Z","pinned":false},"limits":{"coverage":{"history":"current_only","held_since":"2026-10-26","gaps":[],"covered":["2017/580 — RTS — Maintenance of relevant data relating to orders [in force] L2"],"not_covered":["national guidance","court decisions"]},"freshness":{"release_id":"a4f2a0495fe55b47323883f82977a9b34ab66171ec9623e39925d3a7045b6c81","release_published":"2026-11-01T16:41:30Z","checked_at":"2026-10-26","checked_against":"EUR-Lex"},"truncation":null,"failures":[],"incomplete":[]},"page":{"path":"/mifir/level-2/rts/2017-580-the-maintenance-of-relevant-data-relating-to-orders-in/articles/6","url":"https://www.headlesslaw.com/mifir/level-2/rts/2017-580-the-maintenance-of-relevant-data-relating-to-orders-in/articles/6","title":"Article 6 — Priority and sequence numbers","family":"l2_unit_view","work_id":"spaces/mifir/level-2/rts/2017-580-the-maintenance-of-relevant-data-relating-to-orders-in","view_of":"/mifir/level-2/rts/2017-580-the-maintenance-of-relevant-data-relating-to-orders-in","status":"in_force","force_status":"in_force","date_state":"current","requested_date":null,"as_of":"2026-11-01","applies_from":null,"application":null,"version_label":"Commission Delegated Regulation (EU) 2017/580, OJ L 87, 31.3.2017","check":{"against":"EUR-Lex","on":"2026-10-26"},"check_result":"matched","official_url":"https://eur-lex.europa.eu/eli/reg_del/2017/580/oj/eng","valid_from":"2017-04-20","valid_until":null,"content_id":"73ad64391e705ed4","versions":["2017-04-20"],"version_url":"https://www.headlesslaw.com/mifir/level-2/rts/2017-580-the-maintenance-of-relevant-data-relating-to-orders-in/articles/6/versions/2026-10-26","revision_url":"https://www.headlesslaw.com/mifir/level-2/rts/2017-580-the-maintenance-of-relevant-data-relating-to-orders-in/articles/6/versions/2026-10-26/rev/73ad64391e705ed4","versions_url":"https://www.headlesslaw.com/mifir/level-2/rts/2017-580-the-maintenance-of-relevant-data-relating-to-orders-in/articles/6/versions","relations_url":"https://www.headlesslaw.com/mifir/level-2/rts/2017-580-the-maintenance-of-relevant-data-relating-to-orders-in/articles/6/relations","act_url":"https://www.headlesslaw.com/mifir/level-2/rts/2017-580-the-maintenance-of-relevant-data-relating-to-orders-in#art-6","source_line":"Commission Delegated Regulation (EU) 2017/580 · binding · OJ L 87, 31.3.2017 · dated 24 Jun 2016 [in force]","attribution":{"prepared_by":"European Commission","published_by":"Publications Office of the EU","published_in":"Official Journal of the European Union","document_type":"delegated_regulation","legal_nature":"binding_adopted","addressees":"not stated in the document","dates":{"document_date":"2016-06-24","entry_into_force":"2017-04-20","locators":{"document_date":"CELLAR 32017R0580 work_date_document","entry_into_force":"CELLAR 32017R0580 resource_legal_date_entry-into-force (earliest)"}},"adoption":null},"context":{"act":{"work_id":"spaces/mifir/level-2/rts/2017-580-the-maintenance-of-relevant-data-relating-to-orders-in","path":"/mifir/level-2/rts/2017-580-the-maintenance-of-relevant-data-relating-to-orders-in","name":"Commission Delegated Regulation (EU) 2017/580","number":"2017/580","celex":"32017R0580","title_official":"COMMISSION DELEGATED REGULATION (EU) 2017/580 of 24 June 2016 supplementing Regulation (EU) No 600/2014 of the European Parliament and of the Council with regard to regulatory technical standards for the maintenance of relevant data relating to orders in financial instruments (Text with EEA relevance)","document_date":"2016-06-24"},"position":{"kind":"article","key":"6","index":6,"articles":14,"annexes":1},"prev":{"path":"/mifir/level-2/rts/2017-580-the-maintenance-of-relevant-data-relating-to-orders-in/articles/5","key":"5","title":"Article 5 — Validity period and order restrictions"},"next":{"path":"/mifir/level-2/rts/2017-580-the-maintenance-of-relevant-data-relating-to-orders-in/articles/7","key":"7","title":"Article 7 — Identification codes for orders in financial instruments"},"act_anchor":"#art-6"}},"provenance":{"official_url":"https://eur-lex.europa.eu/eli/reg_del/2017/580/oj/eng","check":{"result":"matched","checked_at":"2026-10-26","against":"EUR-Lex"},"repo_path":"spaces/mifir/level-2/rts/2017-580-the-maintenance-of-relevant-data-relating-to-orders-in.md","unit_text_sha256":"1a6fd0a63fedcfd437c3541dba03be91abace38c405902bcbd3fc505d6528be9","note":"the unit is a byte-exact part of the act page, whose check record covers it"},"unit":{"locator":"spaces/mifir/level-2/rts/2017-580-the-maintenance-of-relevant-data-relating-to-orders-in/art-6","kind":"article","key":"6","heading":"Article 6 — Priority and sequence numbers","text":"## Article 6 — Priority and sequence numbers\n\n1. Operators of trading venues which operate trading systems on a price visibility-time priority shall maintain a record of the priority time stamp for all orders as specified in field 13 of Table 2 of the Annex. The priority time stamp shall be maintained with the same level of accuracy specified by Article 4(1).\n1. Operators of trading venues which operate trading systems on a size-time priority basis shall maintain a record of the quantities which determine the priority of orders as specified in field 14 of Table 2 of the Annex as well as the priority time stamp referred to in paragraph 1.\n1. Operators of trading venues which use a combination of price-visibility-time priority and size-time priority and display orders on their order book in time priority shall comply with paragraph 1.\n1. Operators of trading venues which use a combination of price-visibility-time priority and size-time priority and displays orders on its order book in size-time priority shall comply with paragraph 2.\n1. Operators of trading venues shall assign and maintain a sequence number for all events as specified in field 15 of Table 2 of the Annex.\n\n","marks":[],"text_hash":"1a6fd0a63fedcfd437c3541dba03be91abace38c405902bcbd3fc505d6528be9","revision":1}}