The Equipment Rules of Sailing (ERS) govern the equipment used in the sport. They are revised and published every four years by World Sailing.

The Equipment Rules of Sailing consists of three parts:

• Part I - Rules for use of the equipment: The boat - the sports equipment used in sail racing and the personal equipment
• Part II - Equipment definitions
• Part III - Rules governing equipment control and inspection

Current Edition

The current edition is the Equipment Rules of Sailing 2017-2020 effective from 1 January 2017 until 31 December 2019.

Printed copies can be purchased from the Executive Office using the Publication Order Form.