I.I.S. per diem specialists help ensure that all workers receiving, or applying to receive, per diem are properly eligible and fully compliant with applicable requirements. We utilize a thorough validation process designed to deliver the most accurate per diem review possible.
Our services include:
- Pre-job per diem audits
- Post-job per diem audits
- Guidance and recommendations for per diem contract language
- Interpretation and guidance on applicable IRS rules
Why use a third-party per diem and travel manager
Per diem and travel compliance looks simple on the surface, but it's one of those areas where small mistakes quietly turn into big financial audit findings, tax, and legal problems. A third-party manager helps companies stay clean, fair, and defensible without eating internal bandwidth.
- Independent oversight is real compliance
A third party enforces the policy without favoritism, which protects the company and reinforces fairness. - Reduced tax and regulatory risk
Third-party specialists stay current on changing rates, thresholds, and documentation requirements lowering your risk. - Cost control and leakage prevention
Third-party monitoring consistently uncovers savings that internal teams rarely have time to track. - Consistent application across locations and projects
A third party ensures one standard, applied the same way everywhere, which reduces disputes and grievances. - Better documentation and audit readiness
If auditors, tax authorities, or clients ask questions, the company can show structured, third-party governance. - Less burden on HR, payroll, and accounting
Outsourcing frees internal teams to focus on higher-value work while specialists handle the detail-heavy administration. - Improved employee trust and clarity
Employees are less likely to feel targeted or treated unfairly. It reduces friction and "why was theirs approved but mine wasn't" conversations. - Scales with growth and change
A third-party program scales without needing to rebuild internal processes every time the business changes. - Stronger governance for executives and boards
It's a quiet but powerful way to reduce personal and corporate exposure.