The formulas
- Excludable per month = lesser of the benefit and $340, for transit and for parking separately
- Taxable excess = (benefit - $340, not below zero) x months
How it works
Section 132(f) excludes employer-provided commuter benefits up to a monthly limit. Rev. Proc. 2025-32 sets 2026 at $340 for transit passes and commuter highway vehicle transportation combined, and $340 for qualified parking. The two limits are separate, so an employee can receive $340 of each tax-free.
Section 132(f)(2) caps the amount that can be excluded, so the part above the limit does not qualify for the exclusion. Cash reimbursement is a qualified transportation fringe under section 132(f)(3) for parking, and for transit passes only when a voucher is not readily available. An employee who can choose between the benefit and taxable pay is not taxed only because of that choice (section 132(f)(4)). Bicycle commuting is not covered here.
Illustrative figures only. Check the result against your firm's methodology before relying on it.
Common questions
Are transit and parking limits shared?
No. Each has its own $340 monthly limit.
Is the tool for employer deductions?
No. It covers the employee exclusion only.
What counts as transit?
Transportation in a commuter highway vehicle between home and work, or a transit pass: a pass, token, farecard, voucher or similar item entitling a person to transportation.
Sources
- IRS Rev. Proc. 2025-32, 2026 inflation adjusted amounts
- 26 U.S.C. 132 Certain fringe benefits (subsection (f)), Cornell LII
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