Edition 9 rules will come into effect at events from 1 January 2024, until end of December 2025, after which a new edition of the rules may be published or this edition extended. Only minor changes and corrections have been made to these rules from the previous Edition. Significant edits are highlighted by a line in the left-hand margin. No changes have been made to the sailing rules in Part E. The changes do include some minor corrections and updates to the protest procedures in Part G, the protest flow chart in Appendix D1, and protest and redress forms in Appendix E and F.