My mileage at work was reimbursed for 20,000 and is under L on section 12. It is supposed to be non-taxable so why is it not coming off my income?

kylenesimkins · ‎January 27, 2025

Section 12 L

TomD8 · ‎January 27, 2025

See this TurboTax help article, especially the fourth item:

**Answers are correct to the best of my ability but do not constitute tax or legal advice.

JohnB5677 · ‎February 5, 2025

For reimbursed business miles to be tax exempt they must be accounted for.

You seem to be under a general plan that does not require you to submit a record of your mileage to your employer to be reimbursed.

Rather,
- If your reimbursement is more than the federal rate, such as the standard mileage rate or a FAVR,
- The amount up to the federal rate is reported in Box 12 of your W-2 form using Code L.
- While the amount in Box 12 isn’t taxable, the excess reimbursement will still be included in Box 1 of your W-2 form.

Please see How are taxable mileage reimbursements reported? in Is Mileage Reimbursement Taxable Income?

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