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Who should I contact with billing issues?
Visit the contact page to find the right billing contact.
Can I use a purchase card to pay for an RWA?
Yes, but it’s not recommended for most federal customers due to additional fees.
If you choose to use a purchase card:
When will I be billed?
We bill RWAs around the 19th of each month (or the next business day).
Where can I view my bill?
Bills are available in the Vendor and Customer Self-Service system a few days after billing (typically around the 25th of the month).
Bills are not emailed or mailed — you must log into VCSS to view them.
What is VCSS?
Vendor and Customer Self-Service is the system customers use to:
Do invoices or billing delays affect project completion?
No. Billing and payments affect financial closeout, but they do not delay when we mark the work as complete.
Where can I learn more about IPAC transactions?
For detailed guidance, refer to resources published by the Government Accountability Office on interagency transactions.
What is G-Invoicing?
G-Invoicing is a government-wide system for managing interagency agreements and payments. For more information, visit the G-Invoicing page.
When will you start using G-Invoicing for RWAs?
In fiscal year 2027 we will begin using the 7600EZ for billing and settlement. We will not be ready to create orders in G-invoicing for a few more years. You will continue using eRETA to establish WRs and enter RWAs. For more information, please contact ginvoicing.rwa@gsa.gov.
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Rates for Alaska, Hawaii, and U.S. territories and possessions are set by the Department of Defense.
Rates for foreign countries are set by the Department of State.
Rates are available between 10/1/2023 and 09/30/2026.
The End Date of your trip can not occur before the Start Date.
Traveler reimbursement is based on the location of the work activities and not the accommodations, unless lodging is not available at the work activity, then the agency may authorize the rate where lodging is obtained.
Unless otherwise specified, the per diem locality is defined as "all locations within, or entirely surrounded by, the corporate limits of the key city, including independent entities located within those boundaries."
Per diem localities with county definitions shall include"all locations within, or entirely surrounded by, the corporate limits of the key city as well as the boundaries of the listed counties, including independent entities located within the boundaries of the key city and the listed counties (unless otherwise listed separately)."
When a military installation or Government - related facility(whether or not specifically named) is located partially within more than one city or county boundary, the applicable per diem rate for the entire installation or facility is the higher of the rates which apply to the cities and / or counties, even though part(s) of such activities may be located outside the defined per diem locality.
U.S. General Services Administration