Two sources, similar stuff.
The National Youth Sports Safety Foundation, Inc. (NYSSF) is a national non-profit, educational organization dedicated to reducing the number and severity of injuries youth sustain in sports and fitness activities. The Foundation is the only organization in the country solely dedicated to this objective.
At the heart of the Foundation's mission is a commitment to promote the healthy development of youth, and to keep them physically active and in sports for life.
Parent code of conduct is located at:
http://www.nyssf.org/sportparentcodeofconduct.html
The goal of the National Alliance for Youth Sports is to make sports safe and positive for Americas youth. The Alliance believes that this can only happen if:
We provide children with a positive introduction to
youth sports;
That administrators, coaches, and game officials are
well trained;
Parents complete an orientation to understand the
important impact sports has on their childs
development and:
Youth sports are implemented in accordance with the
National Standards for Youth Sports.
Parents Code of Ethics is located at:
http://www.nays.org/pays/code_of_ethics.cfm