Valued Contributor
IOBA
Posts: 2,697
Registered: ‎08-13-2009
Re: MCM wanting more information instead of processing dispute.

Again, i would go back to them with the exact information that they provided to you and say that should be sufficient for them to conduct their investigation.   If they insist on more information, tell them no.   Tell them that was enough for them to send you a dunning notice and to put it on your credit report.  If they still insist on more information, insist they delete since they can not validate.