If you are self employed and use your vehicle for business, did you remember to record your odometer reading at 12-31-2023?   If you missed the reading on 12-31-2023, then record your mileage NOW and attempt to backtrack to determine the correct mileage reading for the total year 2023.

The odometer reading is very important in keeping track of your mileage.  You will need to know your TOTAL mileage for the year, in addition to your BUSINESS mileage for the year.

The IRS requires written records of travel, the business and total miles for the year, and the business purpose of each trip.   .See my related post for the best easy mileage booklet to buy in order to record your mileage all year.