The official language of the "Class Rule"-document is English, and in the event of a dispute over translation, the English text shall prevail.
According to the statutes of NFIA, Class Rule changes will be enforced on January 1st following each Olympic (summer) Games. Just in urgent cases, amendments will be processed in between the usual period.
The latest version of the Class Rules 2017 - 2020 had become effective Jan 1, 2019.
Latest changes are marked in RED.
Class Rule Document 2017 - 2020 Edition 2019
This document is still valid. For the Olympic Games in Tokyo have been postponed to 2021, the update procedure is changing accordingly.
List of allowed materials
Main Sail - drawing No. 08 - measurement diagram
Head Sail - drawing No. 09 - measurement diagram 1 of 2
Head Sail - drawing No. 09 - measurement diagram 2 of 2
Spinnaker - drawing No. 10 - measurement diagram
Mast - drawing No. 11 - measurement diagram
Aluminium Mast - drawing No. 12 - diagram in detail
Keel Trailing Edge - drawing No. 13 - clarification
Keel reinforcement diagram
Spinnaker in the UK
The Spinnaker shown in the drawing is not used in the United Kingdom. The UK Association uses a smaller one than the one shown on the drawing. Contact British Folkboat Association for details.