Per Diem Contacts

The U.S. General Services Administration (GSA) establishes the per diem reimbursement rates that federal agencies use to reimburse their employees for subsistence expenses incurred while on official travel within the continental U.S. (CONUS), which includes the 48 contiguous states and the District of Columbia. Questions regarding travel policy governing federal employees, including CONUS per diem rates, may be submitted on the 'Have a Question?' site.

The U.S. Department of Defense establishes rates for travel in non-foreign areas outside of CONUS, which includes Alaska, Hawaii, and U.S. territories and possessions.

The U.S. Department of State establishes rates for travel in foreign areas.

For tax-related information such as travel expense deductions, please visit the Internal Revenue Service website.