TMX - Montréal Exchange | Regulatory Division - Client and Order Identifiers Home About About About Governance and Structure Mission and Vision Mandate and Roles Contact Us User Group Committees Compliance Forum Approval Approval Approval Approved Participants Approved Persons Clients Contact Us Requirements Requirements Requirements Position Limits Position Limits Position Limits Position Limits File FAQ – Position Limits Margin Rates Contact Us LOPR LOPR LOPR Circulars Technical Notices Technical Documents Over-the-Counter Options Regulation Regulation Regulation Guidelines Regulatory Amendments Contact Us Personal Information Policy Disciplinary Processes Disciplinary Decisions Complaints Publications Publications Publications Circulars Rules Newsletter Contact Us FAQs and Guidelines Portal Portal Portal Participant Portal Contact Us LOPR Portal Sign In Participant Portal LOPR Portal Français Montréal Exchange Regulatory Division Search... Search Search Site HOME About About Governance and Structure Mission and Vision Mandate and Roles User Group Committees Compliance Forum Contact Us Approval Approval The Division, through the Regulatory Affairs service, is responsible for approving new participants and individuals who wish to access the Bourse's electronic trading system. Approved Participants Approved Persons Clients Contact Us Requirements Requirements To assist participants in complying with the regulatory requirements of the Bourse, the Regulatory Division publishes on its site documents relating to margin requirements on futures contracts, position limits, as well as information on the reporting of large open positions (LOPR). Position Limits Position Limits File Guidelines – Position Limits Margin Rates Client and Order Identifiers LOPR Circulars Technical Notices Technical Documents Reports of Transactions in OTC Options Contact Us Regulation Regulation Guidelines Market Integrity Rules Disciplinary Procedures Disciplinary Decisions Complaints Contact Us Publications Publications Circulars Rules Reports FAQs and Guidelines Contact Us Participant Portal Home Requirements Client and Order Identifiers Client and Order Identifiers Guidelines FAQ 6.115 FAQ 3.5 Short Code Scenarios File specifications The client and order identifier are new requirements to introduce client identifiers and markers to identify orders when entered on the Electronic Trading System. These new requirements will enhance regulatory data by increasing transparency and allowing the Regulatory Division (the "Division") to link client activity across multiple Approved Participants and Foreign Approved Participants ("Participant"), thereby improving the Division's market surveillance functions. Publications Date Number Title June 26, 2024 075-24 Client and Order Identifiers - Frequently Asked Questions (FAQs) June 21, 2024 074-24 Client and Order Identifiers - Extension of compliance deadline March 28, 2024 030-24 Client and Order Identifiers - Publication of Guidelines February 13, 2024 015-24 Client and Order identifiers: Short Code Scenarios and File Specifications for Reporting December 7, 2023 144-23 Self-Certification: Amendments to the rules of the Bourse regarding Client and Order identifiers November 6, 2023 23-004 Technical Specifications: Montréal Exchange Protocol Upgrade March 27, 2023 044-23 Request for comments: Proposed Amendments to the rules of the Bourse regarding client and order identifiers June 29, 2021 122-21 Call for Members Client Identifier Working Group Annex 1 June 29, 2021 121-21 Consultation Paper: Introduction of a New Client Identifier and Other Markers at Order Entry Annex 1 Status The rules introducing the client and order identifier requirements became effective on June 28, 2024 after market close. 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