International 6 Metre Rule - Updated 2016 - Includes scantlings and measurement instructions.
ISMA By-laws - these are the rules which govern how the Class is managed.
Here are the scantlings for building International Rule yachts, 6, 8 and 12 metres, covering the years 1919 - 1948. These rules also cover the building of these yachts beyond these years in the methods described. These files comprise all of the sections and tables.
Section 1 - Title, Preface, Index - 4 mb
Section 2 - Surveys for Wooden and Composite Yachts, Rules for the Building and Classification of Yachts - 7 mb
Section 3 - Composite yachts having steel frames and wooden planks, Tables 1 - 8 for Wood Yachts - 6mb
Section 4 - Composite Yachts - Tables 9 - 15, Anchors - Table 16 - 1 mb
Section 5 - Wood Yachts - Metric System - Tables 17 - 24, Composite Yachts - Metric System - Tables 25 - 32, Proving Establishments - 2 mb