I don't know much about that at all, I'd try to get a good wc atty as quick as I could and ask them about that part, just to make sure it doesn't complicate your claim.
Or maybe do some searches on wc claims & LTD etc... see what info comes up for you..
a link to get you started -
http://www.google.com/search?q=wc+cl...ient=firefox-a