My husband is a sole proprietor and had a business credit card. We recently filed BK under our personal names (with any DBAs that we've used being listed in the papers), and the business credit card was included, just like the personal ones. Our attorney told us that once it is discharged, they can't try to collect from either my husband personally or from the business (which we still operate under). I would assume that debt settlement would work the same way and they could just be settled like any other credit card. Normally, if you obtain credit for a sole proprietorship, you have to personally guarantee it anyway.