We welcome visitors at all of the IRIS locations. For information about how to make arrangements for your visit - airports, hotels, transportation - please follow the links below.
For routine IRIS staff and committee travel, IRIS will reimburse travel meals and incidental expenses (M&IE) on a per diem basis, using the applicable U.S. government rates. IRIS program travel (e.g., interns, experiment support) may have other guidelines, so please consult IRIS Financial Services (email@example.com) or your program travel coordinator for details.
The per diem rate is determined by the destination city as listed on the travel authorization form.
IRIS Travel Policies and Procedures can be downloaded in pdf format.
If you have traveled for IRIS, you can download the Travel Expense Report template in Excel.
Effective January 2022 – IRS standard mileage rate for the use of a car is $0.585 per mile for business miles driven.
Airline tickets must identify a U.S. flag air carrier designator code and flight number or submit a JUSTIFICATION FOR USE OF FOREIGN-FLAG AIR CARRIER form (only available in pdf) with your travel expense report.