Make some extra changes for displaying your rules on each forum.
Thanks to this plugins you can:
set three buttons with links and own names
set font awesome icon for each button
set rules title for each forum
set render image to make rules more visible
turn on animations for buttons to make them more visible
write your own rules for each forum usting easy HTML
turn on/off animations, buttons, rules image
Tested on Default XenForo theme and RolePlay themes.