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June 1, 2019
Question

Entering $20K in Box 12, code BB from W-2 form has no effect on the federal income tax. Why? Isn't a contribution to a 403B tax deductible?

  • June 1, 2019
  • 1 reply
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Should the $20K entered in Box 12 BB reduce the taxable income on the W2 form? If I replace $20,000 with $0 (as a test), there is no effect on the Federal Tax Due. I thought a 403B contribution would reduce the taxable income.

1 reply

June 1, 2019

Not in your case because they are Roth contributions which mean they are after tax. Only pre-tax contributions lower your taxable income.

June 1, 2019