Originally Posted by lessthanzero
Presumably then you must have that other card too, or will it register the card that was originally declined?
No, I don't have the gold card - just the green one, which I registered. Whenever I find an Amex promo (even for a card I don't have), I'll play with the URL to see if my other cards work (also have Starwood, HH and DL plat cards). It worked before (see post #6 in this thread):
http://www.flyertalk.com/forum/showthread.php?t=456960