Per Diem vs Receipt-Based Reimbursement

Per diem and receipt-based reimbursement methods are two popular approaches for reimbursing employee travel expenses. When it comes to determining which method is cheaper, the key is to understand the current rates and rules. The IRS sets a 50% deduction limit for M&IE (Meals and Entertainment) expenses, which can significantly impact the taxability of per diem payments. In contrast, receipt-based reimbursement methods may allow employers to claim the entire cost as a deduction, but the IRS requires employers to keep accurate records to support the expense. To simplify expense management, some employers use expense management software that can track and categorize expenses, making it easier to comply with IRS rules. For the bigger picture, see our guide to expense management software for under $10/user (2026).

Receipt Requirements and Tax Implications

To ensure compliance with IRS regulations, it's essential to understand the receipt requirements for both per diem and receipt-based reimbursement methods. For per diem payments, receipts are generally required for lodging expenses and for non-lodging expenses of $75 or more.

This includes expenses such as meals, entertainment, and travel. However, for expenses under $75, an expense log detailing the amount, time, place, and business purpose may suffice, though companies may still require receipts.

In contrast, receipt-based reimbursement requires more documentation, such as receipts, invoices, and expense reports. Companies may still require receipts for certain expenses, but the level of documentation required can vary depending on the specific situation.

To ensure compliance with IRS regulations, it's recommended that employers establish a system for tracking and documenting employee expenses, including receipts and expense reports. This can help streamline the reimbursement process and reduce the risk of audit or penalties.

Comparison of Per Diem and Receipt-Based Methods

Per Diem rates vary by rule, but for 2026-2027, the Transportation Industry M&IE Rates are $80 per day for travel within the continental U.S. This rate applies to all business-related travel, including business trips, meetings, and conferences.

Receipt requirements differ between per diem and receipt-based reimbursement. To be eligible for per diem reimbursement, employees must have a receipt for the actual expenses incurred during their travel. In contrast, receipt-based reimbursement requires employees to submit a detailed expense report, which includes receipts and a detailed description of the expenses.

This means that employers can deduct the full amount of per diem reimbursement, but the M&IE portion is only deductible up to 50%.

It's essential to note that the rules and tax implications can vary depending on the specific circumstances of each employer and employee. To determine the most cost-effective and administratively simple method, owners and office managers should carefully review the rules and guidelines for per diem and receipt-based reimbursement.

Tax rules, limits and rates change. Confirm current figures with the IRS or your accountant before you file.

Per Diem vs Receipt-Based Reimbursement: Which Is Cheaper

Per diem payments are generally not taxable to employees if they are paid under an accountable plan, do not exceed federal rate limits, and the employee substantiates the time, place, and business purpose of the travel. For employers, lodging per diem payments are generally 100% deductible, while the M&IE portion is generally subject to a 50% deduction limit.

In addition, employees must return any excess reimbursement within a reasonable period, typically within 120 days, for per diem payments. This rule applies to all employers, regardless of the reimbursement method used.

It's essential for employers and employees to understand these rules and regulations to ensure efficient travel budget management and compliance with IRS requirements.

Per Diem Rates and Rules

Per Diem rates vary depending on the location. As of 2026, the rates are:

• High-cost localities: $329 per day
• Other localities (Continental U.S.): $230 per day
• High-Low Method - Meals and Incidental Expenses (M&IE) Portion:
• High-cost localities: $86 per day
• Other localities (Continental U.S.): $74 per day

These rates apply to all employees, regardless of the type of travel or purpose of the trip.