2026 Changes to SOP 50-10 Will Take Effect in October
Posted by Lumsden McCormick LLP
Read This InsightOctober 6, 2025
Managing business travel expenses can be a headache. Tracking receipts for meals, lodging, and incidentals often feels like a full-time job. Fortunately, the IRS offers a simpler solution to tracking every expense, the high-low per diem method. This approach streamlines reimbursements, reduces paperwork, and keeps your business compliant.
In IRS Notice 2025-54, the IRS announced updated high-low per diem rates effective October 1, 2025, through September 30, 2026. Here’s what you need to know.
Instead of requiring employees to submit every receipt, the per diem method allows businesses to reimburse a fixed daily amount for travel expenses. Employees only need to document:
If reimbursements don’t exceed IRS-approved per diem rates, they’re not taxable income and don’t require payroll tax withholding.
The IRS designates certain U.S. locations as high-cost areas and assigns them a higher per diem rate. All other continental U.S. destinations fall under the low-cost category.
If lodging is provided or paid directly by the employer, employees can receive a per diem for meals and incidental expenses only. There’s also a $5 incidental-only rate for days when meals aren’t incurred.
Starting October 1, 2025:
For the last three months of 2025, employers must stick with the same reimbursement method used earlier in the year. Also, per diem rates cannot be paid to individuals who own 10% or more of the business.
As we approach 2026, now is the perfect time to review your travel reimbursement policy. Moving from an actual expense method to per diem can:
If you have questions about implementing per diem rates or optimizing your travel reimbursement process, contact us today. We’ll help you find the most efficient and tax-compliant solution for your business.