IRC Rule | Notices and Interpretations | Policies and Information
IRC Rule
IRC Rule 2025
Rules published here apply from 1 January 2025 (1 June 2025 in countries where certificate validity is 1 June to 31 May).
NOTE: Final rule wording may vary slightly from the rule changes document – the IRC 2025 Rule & Definitions is the definitive text.
IRC Rule 2024
Rules published here apply from 1 January 2024 (1 June 2024 in countries where certificate validity is 1 June to 31 May).
NOTE: Final rule wording may vary slightly from the rule changes document – the IRC 2024 Rule & Definitions is the definitive text.
IRC Appendix F – Foils and Lifting Appendages
Reference IRC Definitions A3 – LIFTING FOILS
Notices and Interpretations
Notices & Interpretations by Year
- 2023 - IRC Notice 2023-01 Number of Headsails rating effects Sept 2023 (updated Oct 2023)
- 2021 - IRC Notice 2021/02 - Cloth under the boom (RF)
- 2020 - Headfoil width (Rig Factor)
- 2020 - IRC Notice 2020/01 Prescriptions relating to foils on IRC boats Sept 2020
- 2020 - IRC Notice 2020/01 prescriptions - foils sur les bateaux IRC Sept 2020
- 2017 - IRC Notice 2017/01 re Rule 13.2 sail measurement 05/17 (batten length)
- 2017 - IRC Policy Steering Group letter re Code Zero spinnakers 03/17
- 2016 - IRC Notice 2016/01 Spinnaker Luff (8/12/16)
- 2014 - IRC Notice 2014/01 Spinnakers set reefed (21/5/14)
- 2012 - IRC Notice 2012/02 Headsail Foot Offset
Notes
The following have been supserseded by subsequent rule or definition changes in IRC, RRS or ERS, so have been deleted as no longer relevant:
IRC Notice 2021/01 Rule 21.3.6 Whisker Poles (for race organisers)
IRC Notice 2018/01 RRS 49.2 Crew positions; lifelines March 2018
Bulb weight clarification 10/15 updated 03/16
