within 14 business days of receiving your completed form. About mileage reimbursement When someone else drives you to and from appointments, we pay you the reimbursement funds. You’re responsible for giving the money to the person who gave you the ride. The mileage reimbursement rate is 25 cents per mile. We. Whether you're an employee or a business owner, it's important to keep good business mileage records so that you have the information you need for either completing your company's mileage reimbursement form or for determining the mileage deduction on your tax return. Vertex42's Business Mileage Tracker will help you keep good records and determine total mileage for.