General Travel FAQs

Travel Personal Days

Domestic Travel - Personal Days

Current policy states that there is a 1 business day to 1 personal day ratio for all domestic travel.  If you are over this ratio, please contact the division office.

Foreign Travel - Personal Days

Current policy states that there is a 2 business days to 1 personal day ratio (round half days down) for all foreign travel.  When calculating personal days use the following notes, but if you are unsure, contact Travel Help

Direct Deposit Setup

View self-service instructions on how to set up your direct deposit if it does not already exist in the system for your travel expenses.

Flying coach/economy due to a health limitation

Corporate US Bank Visa Card 

The Laboratory offers a corporate US Bank Visa card to career employees who travel at least once a year. The cards are to be used only for expenses associated with official travel, such as hotels, meals, miscellaneous expenses, and registration fees.

Cards are issued at no cost to the traveler and with no individual credit check. Applications are available from the Lab Travel Office or may be printed from this home page. Once completed, the application must be approved by the traveler’s supervisor and faxed to the Travel Office (x6888).

Download and fill out the Charge Card Application Form.

Prepayment Expense Report

When a traveler is required to charge a conference registration fee or lodging deposit in advance of an approved trip, he/she may be reimbursed for that amount via TREX on a Pre-payment Expense Report, before the trip takes place.

ADTRAV Traveler Profile

Fill out a Traveler Profile in askUS. Profile will be submitted directly to ADTRAV (ticket will automatically close)

You must have a personal profile in ADTRAV reservation system before being able to start a reservation.


Note: ADTRAV will block all emails addressed to them that contain full credit card numbers.


Once submitted, you will receive two email notifications:


U.S. Territories

US Territories are considered domestic for travel purposes.  These include:

Canada & Mexico are considered foreign travel locations.

Project ID closes before submitting Expense Report

Per Diem Rates

Note: Travelers are highly encouraged to request reimbursement for the actual cost of Meals & Incidental Expenses (M&IE) up to the established rates.

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.

Established Rates for Lodging and M&IEE

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: