ORIGINAL: SoCal GliderGuider
ORIGINAL: Phaedrus-MMVI
They do publish recommend field arrangements, but they also make it clear that clubs are not required to follow them. Minor point, but it means a lot.
So when one looks over the ama's PDF publications and reads "Flying Site Safety and Operational Rules" these are really not rules.
Or when one reads "Safety Regulations for Model Aircraft Gas Turbines" these are not really regulations.
Then there is the "Required Safety Standards for Giant Scale Racing" that are really not required.
More ama double speak.
Key word...recommend...I think you may be confused some how.