In the blank in the second sentence of the letter, fill in the name of the person or business the collection agency says you owe. File Form SSA-632, Request for Waiver of Overpayment Recovery.In this blog, we talk about the power of overdue invoice letters and how to master them to optimize your collections from latepaying customers. Sending a past due letter is one thing, but they'll only work effectively if they're designed well enough to catch the recipients attention. A debt validation letter is a written communication that a consumer sends to a debt collector or creditor to request verification and validation of a debt. Under workers' compensation and the amount of the recovery in the third party claim for all economic and non-economic damages paid. Arabic numeral or a lower case letter. The Mail Recovery Center (MRC) in Atlanta is the US Postal Service ® 's official "lost and found" department. Formerly the "Dead Letter Office," Will the IRS send me a letter or notice about the third Economic Impact Payment?