Per Diem Rates
Note: Travelers are highly encouraged to request reimbursement for the actual cost of M&IE up to the established rates.
Lodging and Meals & Incidental Expenses (M&IE) Established Rates for Travel within:
- Continental United States (CONUS) Rates
- Alaska, Hawaii and United States Possessions (OCONUS) Rates
- Foreign Country Rates
- Cities not listed in CONUS
Deductions When Meals are Provided
When meals are included in registration fees or are furnished as part of an official Laboratory business function, the established M&IE rate is reduced according to the chart below.
Lodging + M&IE = Per Diem
Per diem is the allowance for lodging (excluding taxes for domestic travel only) and meals & incidental* expenses (M&IE). The General Services Administration (GSA) establishes per diem rates for destinations within the Continental United States (CONUS). Per diem rates for Alaska, Hawaii and United States possessions (referred to as OCONUS) are established by the Department of Defense. The rates for all foreign travel are established by the U.S. Department of State.
*Incidental Expenses as defined by the Federal Travel Regulations include: fees and tips given to porters, baggage carriers, bellhops, hotel maids, stewards or stewardesses and others on ships, and hotel servants in foreign countries. On foreign travel, laundry and dry cleaning are considered incidental expenses.