Are you a "registered member" or did you just sign up as a website user? If you are not a "registered member" (which means a voting member), then you are not be able to find the rules because they are posted under the "Arkansas Geocachers Association" section in the Forums, which is a "Members Only" forums section and not even visible to all website users.
"Wildness is a necessity." -- John Muir
"When you go to hide a geocache, think of the reason you are bringing people to that spot. If the only reason is for the geocache, then find a better spot." – briansnat