Report day trip meals as taxable income. Enter the time you begin and end your trip into the "expense times" in the report.There are two ways to deduct business travel expenses when you're using your own vehicle. Actual expenses method; Standard mileage rate method. Queen's University will reimburse reasonable and necessary travel or other expenses incurred while conducting University business. Commuter benefits allow you to pay for public transportation or parking expenses with pre-tax funds. For every day you are on business travel, you can deduct 100 percent of lodging, tips, car rentals, and 50 percent of your food. What can't be deducted as travel expenses? Take on your out-of-town business trips. If you do not fit any of these categories,.