Recent rule amendments
There are regular updates to the operating rules of the ASX markets and clearing and settlement facilities. The information set out below provides details about recent changes to those rules.
The Rulebooks are also available to view online:
| Effective date | Amendment | Notice/Update |
| 13/10/25 | ASX Change of Address | ASX Notice 1257.25.10 |
| 11/08/25 | Update to Guidance Note 17 - Waivers and In-Principle Advice | Listed@Compliance Update - 08/25 (item 1) |
| 01/07/25 | Update to ASX Listing Rules Guidance Note 15A | Listed@Compliance Update - 05/25 (item 4) |
| 26/06/25 | Updates to ASX Listing Rule Guidance Notes 14 and 20 | ASX Notice 0586.25.06 |
| 30/05/25 | Amendments to ASX Listing Rules – Guidance Note 1 | Listed@Compliance Update - 05/25 (item 1) |
| 01/01/25 | Update to ASX Listing Rules Guidance Note 15A | Listed@Compliance Update - 05/24 (item 5) |
| 01/07/24 | Update to ASX Listing Rules Guidance Note 15A | Listed@Compliance Update - 05/24 (item 5) |
| 27/05/24 | New data breach example in Guidance Note 8 | Listed@Compliance Update - 06/24 (item 1) |
| 01/01/24 | Updates to ASX Listing Rules Guidance Notes 15 and 15A | |
| 01/07/23 | Update to ASX Listing Rules Guidance Note 15A | Lised@Compliance Update - 05/23 (item 2) |
| Effective date | Amendment | Notice/update |
| 13/10/25 | ASX Change of Address | ASX Notice 1257.25.10 |
| 01/09/25 | Introduction of Special Size Single Sided Trade reports on Equity Exchange Traded Options (ETOs) | ASX Notice 0789.25.07 |
| 23/06/25 | ASX Service Release 15 | ASX Notice 0358.25.04 |
| 20/06/25 | Changes to the Procedure to ASX Operating Rule 10A.3.3(c)(ii)(A) | ASX Notice 0486.25.05 |
| 11/11/24 | Amendments to ASX Operating Rule Procedure 1401(a) | ASX Notice 1223.24.10 |
| 15/04/24 | Amendments to facilitate ETP naming convention updates | |
| 25/03/24 | Addition of Cancel_Only Session State and amendment to Equity Options Session State Times | ASX Notice 0229.24.03 |
| 22/03/24 | Update to Guidance Note 5 – Suspension and Termination of Participants | ASX Notice 0282.24.03 |
| 11/03/24 | Procedure amendment – removal of “ST” and “STLT” condition codes | ASX Notice 0201.24.02 |
| 04/03/24 | Update to Guidance Note 1 - Admission as a Participant | ASX Notice 0204.24.03 |
| 19/02/24 | Removal of redundant rules relating to futures products, and miscellaneous changes to contemporise the rulebook | ASX Notice 0049.24.01 |
| 19/02/24 | Changes to ASX Trade cancellation rules for Equity Options | ASX Notice 0047.24.01 |
| 15/12/23 | Update to Guidance Note 08 - Notification Obligations | ASX Notice 1366.23.12 |
| 03/11/23 | Update to the list of Reliable Pricing Framework entities: Procedure 7100 | ASX Notice 1097.23.10 |
| 21/07/23 | Qualifying Cancellation Range consent time | ASX Notice 0710.23.07 |
| Effective date | Amendment | Notice/update |
| 07/11/25 | Delisting of QLD, VIC and SA Australian Electricity Peak Load Futures and Strips | |
| 13/10/25 | ASX Change of Address | ASX Notice 1257.25.10 |
| 18/08/25 | ASX Australian Electricity Options Strike Interval changes | ASX Notice 0874.25.08 |
| 18/07/25 | 3 Year Treasury Bond Future Tick Increment Change | ASX Notice 0618.25.06 |
| 30/06/25 | Australian Peak Load Electricity Futures Contracts | ASX Notice 0497.25.05 |
| 28/03/25 | Listing of Australian Peak Load Electricity Futures Contracts beyond 2028 | ASX Notice 0316.25.03 |
| 24/02/25 | Bond Futures Delinking | ASX Notice 0122.25.02 |
| 11/11/24 | 90 Day Bank Accepted Bills Operating Rules Procedures Change | ASX Notice 1184.24.10 |
| 19/08/24 | ASX Wallumbilla Natural Gas Futures contract | ASX Notice 0643.24.06 |
| 29/07/24 | ASX Environmental Futures contracts | ASX Notice 0793.24.07 |
| 15/07/24 | New Equity Futures contract (S&P/ASX 200 ex S&P/ASX 100 Total Return Index) | ASX Notice 0614.24.05 |
| 01/06/24 | Increase to Expiry Position Limits for 90-Day Bank Accepted Bills futures | ASX Notice 0321.24.03 |
| 06/05/24 | Exchange for Physical (EFP) and Block Trade Procedure Changes | ASX Notice 0334.24.04 |
| 04/03/24 | Update to Guidance Note 1 - Admission as a Participant | ASX Notice 0204.24.03 |
| 19/02/24 | Updates to Procedure 2500.1 Determination of Daily Settlement Price | ASX Notice 0050.24.01 |
| 19/02/24 | ASX Grains Approved Bulk Handlers | ASX Notice 1313.23.12 |
| 01/02/24 | ASX 90-Day Bank Accepted Bills: Removal of back four (Gold) contracts | ASX Notice 0070.24.01 |
| 15/12/23 | Update to Guidance Note 08 - Notification Obligations | ASX Notice 1366.23.12 |
| 08/11/23 | Temporary change to Block Trade thresholds for Australian and New Zealand Electricity Futures and Options | ASX Notice 1156.23.11 |
| 02/10/23 | ASX Electricity Futures and Options - strike increment & Daily Settlement Price methodology |
ASX Electricity Futures and Options Contracts - Daily Settlement Price Methodology |
| 21/07/23 | Fallback provisions for Australian and New Zealand Bank Bill Futures and Qualifying Cancellation Range consent time |
| Effective date | Amendment | Notice/update |
| 13/10/25 | ASX Change of Address | ASX Notice 1228.25.10 |
| 11/08/25 | Procedure amendments to permit Clearing Participants to nominate up to two representatives as Risk Consultative Committee Members | No notice |
| 01/08/25 | Sydney Stock Exchange Limited (SSX) commencement of Trade Acceptance Service | ASX Notice 0818.25.07 |
| 01/04/25 | Updates to Pro Forma Auditor’s Report on Financial Information and Annual Audit Certificate | ASX Notice 0334.25.04 |
| 21/02/25 | Amendments to Capital Requirements | ASX Notice 1520.24.12 |
| 22/03/24 | Update to Guidance Note 12 – Trust Accounts | ASX Notice 0282.24.03 |
| 04/03/24 | Update to Guidance Note 1 - Admission as a Participant | ASX Notice 0204.24.03 |
| 19/02/24 | Removal of redundant rules relating to futures products, and miscellaneous changes to contemporise the rulebook | ASX Notice 0049.24.01 |
| 15/12/23 | Update to Guidance Note 08 - Notification Obligations | ASX Notice 1366.23.12 |
| Effective date | Amendment | Notice/update |
| 13/10/25 | ASX Change of Address | ASX Notice 1228.25.10 |
| 22/09/25 | Removal of rules related to registering as a Securities Lending Participant and reporting of certain securities lending activity | ASX Notice 0963.25.08 |
| 01/08/25 | Sydney Stock Exchange Limited (SSX) commencement of Trade Acceptance Service | ASX Notice 0818.25.07 |
| 18/11/24 | Electronic delivery of CHESS holding statements and notifications: preference for communications | ASX Notice 1321.24.11 |
| 15/04/24 | Amendments to facilitate ETP naming convention updates | ASX Notice 0254.24.03 |
| 04/03/24 | Update to Guidance Note 1 - Admission as a Participant | ASX Notice 0204.24.03 |
| 15/12/23 | Update to Guidance Note 08 - Notification Obligations | ASX Notice 1366.23.12 |
| Effective date | Amendment | Notice/update |
| 13/10/25 | ASX Change of Address | ASX Notice 1228.25.10 |
| 11/08/25 | Procedure amendments to permit Clearing Participants to nominate up to two representatives as Risk Consultative Committee Members | No notice |
| 01/04/25 | Updates to Pro Forma Auditor’s Report on Financial Information and Annual Audit Certificate | ASX Notice 0334.25.04 |
| 11/11/24 | 90 Day Bank Accepted Bills Operating Rules Procedures Change | ASX Notice 1184.24.10 |
| 19/08/24 | ASX Wallumbilla Natural Gas Futures contract | ASX Notice 0643.24.06 |
| 29/07/24 | ASX Environmental Futures contracts | ASX Notice 0793.24.07 |
| 04/03/24 | Update to Guidance Note 1 - Admission as a Participant | ASX Notice 0204.24.03 |
| 15/12/23 | Update to Guidance Note 08 - Notification Obligations | ASX Notice 1366.23.12 |
| Effective date | Amendment | Notice/update |
| 13/10/25 | ASX Change of Address | ASX Notice 1257.25.10 |
| Effective date | Amendment | Notice/update |
| No amendments since 1 July 2023 |
| Effective date | Amendment | Notice/update |
| 26/02/24 | Amendment to US settlement bank investment loss allocation | ASX Notice 0143.24.02 |