The payee should claim non payment from the issuer of the check, and supply an affidavit of forged endorsement.
The issuer (drawer) of the check then enters a claim against the paying bank, and that bank makes a claim against the depository bank (or any other intervening holder). The depository bank endorsed the item and therefore warranted that all prior signatures (other than drawer's) were genuine and authorized.
In theory, the depository bank then recovers the money from the depositor (the spouse in this case).
All of this can be altered in a court proceeding if it is found that the original claimant had somehow obtained some or all of the funds (or benefited from them) in some other way.
In most states, the statute of limitations is three years from the cause of action (knowledge of the alleged forgery). In some states the deadline is as short as one year.
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John S. Burnett
BankersOnline.com
Fighting for Compliance since 1976
Bankers' Threads User #8