The Sixth Circuit recently held that payments made to employees pursuant to a severance plan were not wages for FICA purposes, but instead constituted supplemental unemployment benefits (SUB) payments that are not taxable under FICA. As explained by our colleague Jeff Mamorsky in a recent article for cfo.com, for many companies that paid such taxes, looming statutes of limitation mean there’s no time to waste following a court decision that may result in a refund.