I am not entirely sure on how much you know about the scripting in
LiveCycle Designer? I am quite new myself, but did a quick test just to
get you started. This thread contains (pretty much) all information you
need: Add/Remove the same exact item in a dropdown .Just set up a trial
document where you use two dropdowns and experiment there. But on the
actual implementation I would set up some kind of script which on
exiting each dropdown list uses the chosen value of that current
dropdown and rem...