I agree that it's hard to find on their site. I found this mention -
http://www.americanquilter.com/docum...ines_rules.pdf
and there's a link to a video on how to make the sleeve here -
http://www.americanquilter.com/shows...quilt_contest/
I don't know if either one of these has all the information you need. It seems like it should be easier to find.