@brownlindsey72-g
Most commonly
1) on any W-2, in boxes 15,16,17 (the second half of Box 15 is where the number goes)
or
2) A 1099-R form in the box 14,15,16 area (again, second half of box 15 for your number)
Go back and edit either of those form types you have in your tax file.
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But can, less commonly, be in few other 1099-??? form types, if you had any UT tax withholding on them.