And to just to be clear, that release would need to be from the creditor, not the other person making the payments.
Believe it or not I have seen ex-spouses bring in a "release" from the other ex-spouse that was paying a debt under orders of the divorce decree stating they release their ex of any payment liability. Ummm, no that doesn't work.
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The opinions expressed are mine and they are not to be taken as legal advice.