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The rail industry can propose changes to Network Rail's Network Code through Part C. ORR has a role to approve those changes as any modifications to the Code may have a bearing on Track Access contracts.
Part C of the Network Code provides processes by which the Code can be modified.
- Condition C5, which provides a democratic industry process whereby Network Rail, train operators or ORR can propose changes; and
- Condition C8, which provides the ORR with a right to make changes.
Recent modifications are listed below.
| Proposal Approval notice Covering letter Proposals for amendment | Date approved | Links to documents |
|---|---|---|
| Approval of proposals for amendment to the September 2024 Delay Attribution Principles and Rules | 28 March 2025 | Approval Notice Schedule 1 Cover Letter |
| Approval of Changes to Part D of the Network Code (Proposal for Change 127-131) | 5 November 2024 | Approval Notice Cover Letter Appendix A – Approved changes (Part D) |
| Approval of proposals for amendment to the January 2024 Delay Attribution Principals and Rules | 29 August 2024 | Approval Notice Schedule 1 Cover Letter |
| Approval of proposals for amendment to the January 2022 Performance Data Accuracy Code | 23 August 2024 | Approval Notice Schedule 1 Cover Letter |
| Approval of Changes to Part D of the Network Code (Proposal for Change 125) | 7 March 2024 | Approval Notice Cover Letter Appendix A – Approved changes (Part D) |
| Approval of Changes to Part D and Part R of the Network Code (Proposals for Change 121-124 and 126) | 8 February 2024 | Approval Notice Cover Letter Appendix A – Approved changes (Part D) Appendix B – Approved changes (Part R) |
| Approval of proposals for amendment to the September 2023 Delay Attribution Principles and Rules February 2024 | 6 February 2024 | Approval Notice Schedule 1 Cover Letter |
| Approval of proposals for amendment to the April 2023 Delay Attribution Principles and Rules | 17 July 2023 | Approval Notice Schedule 1 Cover Letter |
| Approval of proposals for amendment to the April 2023 Delay Attribution Principles and Rules | 24 April 2023 | Approval Notice Cover Letter |
| Approval of Changes to Part B and Part R of the Network Code (Proposal for Change 119) | 27 February 2023 | Approval Notice Cover Letter Appendix A – Approved changes (Part B and Part R) |
| Approval of proposals for amendment to the September 2022 Delay Attribution Principles and Rules | 17 February 2023 | Approval Notice Cover Letter |
| Approval of Changes to Part R of the Network Code (Proposal for Change 114-116) | 4 August 2022 | Approval Notice Cover Letter Appendix A – Approved changes (Part R) |
| Approval of proposals for amendment to the April 2022 Delay Attribution Principles and Rules | 27 July 2022 | Approval Notice Cover letter |
| Approval of Changes to Part D and Part R of the Network Code (Proposal for Change 109-112) | 18 May 2022 | Approval Notice Cover Letter Appendix A - Approved changes (Part D Appendix B - Approved changes (Part R) |
| Approval of proposals for amendment to the September 2021 Delay Attribution Principles and Rules | 16 February 2022 | Approval notice Cover letter |
| Approval of proposals for amendment to the November 2020 Performance Data Accuracy Code | 20 October 2021 | Approval notice Cover letter Approved changes |
| Approval of proposals for amendment to the April 2021 Delay Attribution Principles and Rules | 28 July 2021 | Approval notice Cover letter |
| Approval of Changes to Part D of the Network Code (Proposal for Change 98-99 and 102-105) | 13 July 2021 | Approval notice Cover letter Appendix - Approved changes |
| Approval of proposals for amendment to the September 2020 Delay Attribution Principles and Rules | 5 February 2021 | Approval notice Cover letter |
| Approval of Changes to Part D and Part R of the Network Code (Proposal for Change 91-94 and 97) | 17 December 2020 | Approval notice Cover letter Appendix A- Approved changes (Part D) Appendix B- Approved changes (Part R) |
| Approval of proposals for amendment to the September 2020 Delay Attribution Principles and Rules | 11 November 2020 | Approval notice Cover letter |
| Approval of proposals for amendment to the June 2018 Performance Data Accuracy Code | 10 September 2020 | Approval notice Cover letter Overview of amendments Marked up PDAC |
| Approval of proposals for amendment to the April 2020 Delay Attribution Principles and Rules | 18 June 2020 | Approval notice Cover letter |
| Approval of Changes to Part D of the Network Code (Proposal for Change 90) | 16 March 2020 | Approval notice Cover letter Approved changes |
| Approval of Changes to Part D of the Network Code (Proposal for Change 78-81 and 84-87) | 16 March 2020 | Approval notice Cover letter Approved changes |
| Approval of proposals for amendment to the September 2019 Delay Attribution Principles and Rules | 7 January 2020 | Approval notice Cover letter |
| Approval of Changes to Chapter B of the Access Dispute Resolution Rules | 12 September 2019 | Approval notice Cover letter Appendix 3 Approved changes |
| Approval of Changes to Part B of the Network Code | 21 August 2019 | Approval notice Cover letter Appendix 3 Approved changes |
| Approval of proposals for amendment to the September 2018 Delay Attribution Principles and Rules | 20 August 2019 | Approval notice Cover letter |
| Approval of proposals for amendment to the September 2018 Delay Attribution Principles and Rules | 25 February 2019 | Approval notice Cover letter |
| Approval of proposals for amendment to the September 2018 Delay Attribution Principles and Rules | 30 January 2019 | Approval Notice Cover letter |
| Approval of proposals for amendment to the April 2018 Delay Attribution Principles and Rules | 21 August 2018 | Approval notice Cover letter |
| Approval of Changes to Part B of the Network Code | 9 May 2018 | Approval notice Cover letter Appendix 1 Approved changes |
| Approval of Changes relating to the Network Change Standard forms U, V and W | 6 April 2018 | Approval notice Cover letter Appendix 1 Approved changes |
| Approval of proposals for amendment to the January 2014 Performance Data Accuracy Code | 23 March 2018 | Approval notice Cover letter Proposal for Amendment Final version of Marked up PDAC |
| Approval of proposals for amendment to the December 2017 Delay Attribution Principles and Rules | 26 February 2018 | Approval notice Cover letter Proposals for amendments |
| Approval of proposals for amendment to the June 2017 Delay Attribution Principles and Rules | 11 October 2017 | Approval notice Covering letter Proposals for amendments icon , 0 Kb |
| Approval of proposals for amendment to the June 2017 Delay Attribution Principles and Rules | 14 August 2017 | Approval notice icon , 0 Kb Covering letter icon , 0 Kb Proposals for Amendment icon , 0 Kb |
| Approval of proposal for change 72 – amendments to Part H of the Access Dispute Resolution Rules | 28 June 2017 | |
| Approval of proposal for change 71 – amendments to Parts D & J and all other parts of the Network Code | 28 June 2017 | |
| Approval of proposals for amendment to the April 2017 Delay Attribution Guide | 8 May 2017 | Approval notice Covering letter Proposal for amendment |
| Approval of proposal for change 70 – amendments to Part B of the Network Code | 8 May 2017 | Approval notice Covering letter Proposal for amendment |
| Approval of proposals for amendment to the September 2016 Delay Attribution Guide | 1 February 2017 | Approval notice Covering letter Proposal for amendment icon , 0 Kb |
| Approval of proposals for amendment to the April 2016 Delay Attribution Guide | 21 July 2016 | Approval notice Covering letter Proposal for amendment pdf icon PDF, 966 Kb |
| Approval of proposals for amendment to the Delay Attribution Guide | 1 June 2016 | Approval notice Covering letter Proposal for amendment pdf icon PDF, 265 Kb |
| Approval of proposals for amendment to the September 2015 Delay Attribution Guide - (multiple amendments) | 17 February 2016 | Approval notice Covering letter Proposals for amendment |
| Approval of proposals for amendments to the Delay Attribution Guide | 18 December 2015 | Approval notice Covering letter Proposals for amendment |
| Approval of proposal for change 69 – amendments to Part B of the Network Code | 11 December 2015 | Approval notice pdf icon PDF, 372 Kb Covering letter pdf icon PDF, 569 Kb Proposals for amendment |
| Approval of proposals for amendments to the Delay Attribution Guide | 4 December 2015 | Approval notice Covering letter Proposals guide pdf icon PDF, 491 Kb |
| Approval of proposal for change 66 - amendments to the Access Dispute Resolution Rules | 9 September 2015 | Approval notice pdf icon PDF, 907 Kb Proposals for amendment |
| Approval of proposals for amendment to the Delay Attribution Guide | 7 August 2015 | Approval notice Covering letter Proposals for amendment |
| Approval of proposals for amendment to the Delay Attribution Guide - (multiple amendments) | 6 August 2015 | Approval notice Covering letter Proposals for amendment |
| Approval of proposals for amendment to the April 2015 Delay Attribution Guide - (multiple amendments) | 7 July 2015 | Approval notice Covering letter pdf icon PDF, 163 Kb Proposals for amendment |
| Approval of proposal for change 67 – amendments to Part B of the Network Code | 7 July 2015 | Approval notice Proposals for amendments to Part B of the Network Code pdf icon PDF, 258 Kb |
| Approval of proposal for change 68 – amendments to Part D of the Network Code | 29 June 2015 | Approval notice Original proposed changes to Part D of the Network Code Final proposed changes to Part D of the Network Code PDF icon PDF, 158 Kb |
| Approval of proposals for amendment to the April 2015 Delay Attribution Guide - (multiple amendments) | 24 June 2015 | Approval notice pdf icon PDF, 668 Kb Proposals for amendment Covering letter |
| Approval of proposals for amendment to the Delay Attribution Guide - (multiple amendments) | 28 April 2015 | Approval notice Covering letter Proposals for amendment |
| Approval of proposals for amendment to the Delay Attribution Guide - (multiple amendments) | 26 March 2015 | Approval Notice pdf icon PDF, 245 Kb Covering letter pdf icon PDF, 278 Kb Proposals for amendment |
| Approval of proposal for change 65 – amendment to Part J of the Network Code and to the Access Dispute Resolution Rules | 16 March 2015 | Final proposed changes to Part J and to ADRR Original proposed changes to Part J and to ADRR Approval Notice |
| Approval of proposals for amendment to the Delay Attribution Guide - (multiple amendments) | 26 February 2015 | Approval notice Covering letter pdf icon PDF, 456 Kb Proposals for amendments |
| Amendments to the October 2014 Delay Attribution Guide | 11 Feb 2015 | Approval notice pdf icon PDF, 169 Kb Covering letter pdf icon PDF, 141 Kb Proposals for amendments pdf icon PDF, 145 Kb |
| Approval of proposal for amendment to the Delay Attribution Guide – DAB/P231 | 4 December 2014 | Approval notice Covering letter Proposals for amendments pdf icon PDF, 168 Kb |
| Approval of proposals for amendment to the Delay Attribution Guide - (multiple amendments) | 10 September 2014 | Approval notice Covering letter pdf icon PDF, 55 Kb Proposals for amendments |
| Approval of proposal for amendment to the Delay Attribution Guide – (multiple amendments) | 27 February 2014 | Approval notice Covering letter |
| Amendments to the July 2011 Performance Data Accuracy Code | 19 November 2013 | Approval notice Proposal for amendment |
| Approval of proposal for amendment to the Delay Attribution Guide – DAB/P020 | 16 September 2013 | |
| Approval of proposal for amendment to the Delay Attribution Guide – DAB/P015 & DBS-4 | 10 May 2013 | Approval notice Covering letter |
| Approval of proposal for amendment to the Delay Attribution Guide – DAB/P018 | 5 February 2013 | Approval notice Covering letter Proposal for amendment |
| Approval of proposals for amendment to the Delay Attribution Guide – DAB/P014, DAMG/P05 & DAMG/P06 | 8 Jan 2013 | Approval notice Covering letter Marked up version of amendments Proposal for Amendment |
| Approval of proposal for change to the Delay Attribution Guide - DABP009. | 20 Nov 2012 | Proposal for Change Covering Letter Approval Notice Final version of marked up Appx A DABP009 |
| Approval of proposal for change to the Delay Attribution Guide - NPR131. | 20 Nov 2012 | Proposal for Change Covering Letter Approval Notice Final version of marked up Appx A NRP131 |
| Approval of proposal for change 61 - amendments to Parts D, J, & M of the Network Code and to the Access Dispute Resolution Rules | 14 Jun 2012 | Approval notice Revised Part J Annex D: Proposal for change to Part D of the Network Code Annex D: Proposal for change to Part M of the Network Code Annex E: Proposal for change to ADRR |
| Approval of proposal for change 62 – amendments to the Access Dispute Resolution Rules | 14 Jun 2012 | Approval notice Revised ADRR |
| Approval of proposal for change 63 – amendments to Part A of the Network Code | 14 Jun 2012 | Approval notice Revised Part A |
| Approval of amendment to the Delay Attribution Guide | 30 Mar 2012 | Approval notice Covering letter Proposal for change |
| Approval of proposal for change 60 - amendments to part D of the Network Code | 2 Mar 2012 | Proposal for amendment |