Oregon State University

Per Diem

Per diem rates change frequently.

See current per diem rates of most frequently traveled localities and car rental rates

Or, check OSU's recent per diem rates for US States and locality rates.

You may apply for an OSU "Corporate Card" to keep your travel expenses separate from your personal credit cards. Ask Melody Pfister for assistance.


To use the Travel Reimbursement Entry System (TRES) system, login to the OSU Employee Online Services and click on the link for Travel Reimbursement; send to Melody Pfister with receipts.

Direct deposit of reimbursements to your bank account is encouraged. This requires separate paperwork from your payroll direct deposit -ask Melody Pfister for assistance.

Contact Info

Cooperative Institute for Marine Resources Studies
Hatfield Marine Science Center
2030 SE Marine Science Drive
Newport, OR 97365
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