The IRS has officially set the business standard mileage rate for 2026 at 72.5 cents per mile, reflecting an increase of 2.5 cents. While this adjustment benefits businesses utilizing this rate for mileage deductions, the IRS has also announced corresponding reductions in medical and moving mileage rates. This mixed approach means that while certain groups will experience an uptick in allowed mileage reimbursement, others will see a decrease. Comprehensive details have been published in IRS Notice 2026-10, outlining the implications for businesses navigating these changes.