The rules in Appendix E of the Racing Rules of Sailing do not apply to the MYA Adopted classes or to the IRSA Classes.
The following Supplementary Class Rules specify the size and placement of sail identification marks.
The MYA Supplementary Class Rules apply to the MYA Adopted Classes (36” and 6M) and are available in the downloadable document below.
The IRSA Supplementary Class Rules apply to the IRSA Classes (IOM, M, 10R and A Class) and are available here.