What does box 12a- S mean on w2

lethielen · ‎June 4, 2019

I think it is my 401-K contribution but how do I know?

DanielV01 · ‎June 4, 2019

It is a retirement plan contribution, but it technically is not a 401-K (that would be a symbol D). This contribution is from a SIMPLE or a SEP plan. For more information on box 12 codes, please see this FAQ: https://ttlc.intuit.com/replies/3300234

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dmertz · ‎June 4, 2019

Code S is for an elective deferral to a SIMPLE IRA only, not a SEP-IRA.

Enter the code S amount only on TurboTax's W-2 form.

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What does box 12a- S mean on w2