Businesses must claim travel expenses on Form 2106 and report them on Form 1040 or Form 1040-SR as an adjustment to their total income. While there's no annual travel deduction limit, the IRS scrutinizes higher write-offs. Be sure to calculate your business expenses with a tax attorney before submitting a large filing.
To take the standard mileage deduction, you'll have to report the total miles the vehicle was driven in the tax year. This figure is reported on Form 2106: Employee Business Expenses.
However, some of the most common expense categories that travel could fall under include: Transportation - This is the most obvious category for travel expenses, as travel typically involves some form of transportation costs. This could include airfare, train tickets, gas, car rental, etc.
You should use Form 2106 and Schedule 1 (Form 1040) to claim mileage on taxes. An individual itemizing deductions and are claiming a deduction for medical or charity-related miles. For charity mileage, you should use Schedule A (Form 1040) under the charitable deductions section.