1. Do nothing (have to opt out instead of opt in)
2. Go to the website and opt in using my name and the info on the card
3. mail back the card.
I can't remember ever providing them with more info than they already had.
They can drag on forever though....we joined one in 2005 when a company filed bankruptcy. Last update was in Aug. 2012 that checks were supposed to be mailed "during the last quarter of 2012."