Documents:
Rules and Regulations of Yoga Sport,
Where is the "Yoga" in "Yoga Competition"?
A PDF reader 
is required to view.
Affiliates and Friends:
www.greentreeyoga.org (Green Tree Yoga)
www.internationalyogafederation.net (International Yoga Federation)
www.internationalschoolofyoga.com (School of Purna Yoga Integral)
http://www.internationalyogaregistry.org/registeredyogateachers/united_states.htm (Registry of Integrated School of Yoga Teachers)