Reasonable Business Miles-You Probably Do Not Know This

October 5th, 2019 at 4:50 PM

The tax law contains no reasonableness test for mileage

In fact, tax code Section 274 specifically discards the reasonableness standard and puts in its place strict substantiation rules. 

We recommend that you keep a mileage log for at least three consecutive months to prove your business-miles percentage. The three-month log concept comes from the IRS sample method described in its regulations. You then apply this three-month percentage to either 

My message here is simple: keep a mileage log. You can use an app for this.


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