Tax Tips

Business Mileage Deduction

Mileage deductions can be valuable, but only when records are consistent and credible. This guide explains what to track and how to build defensible mileage documentation.

What should be tracked

Mileage logs should be detailed enough to support business purpose.

  • Key Point

    Trip date, destination, and business reason

  • Key Point

    Start and end mileage or total business miles

  • Key Point

    Consistent records maintained throughout the year

Common documentation gaps

Incomplete logs can undermine otherwise valid deductions.

  • Key Point

    Reconstructing mileage only at year-end

  • Key Point

    No business-purpose notes for trips

  • Key Point

    Mixing personal and business travel in one estimate

How mileage ties into broader tax planning

Mileage is one part of a larger expense strategy.

  • Key Point

    Review vehicle costs with your quarterly plan

  • Key Point

    Coordinate mileage tracking with bookkeeping

  • Key Point

    Use monthly check-ins to prevent record gaps

Helpful Next Steps

This article is for general information only and is not tax, legal, or financial advice.

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