JohnB5677
Expert Alumni

Deductions & credits

Yes, you would calculate the mileage percentage by dividing business mile by the total miles driven.

 

The IRS requires you to maintain a log of business miles driven.

 

The log should include 

  • Date
  • Location
  • Miles driven and 
  • Reason

If requested, the IRS would expect this documentation to confirm the miles driven.

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