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Our MAS buying content will be revised to align with Federal Acquisition Regulation changes. Visit the Revolutionary FAR Overhaul to find streamlined FAR parts and agency deviations. Share feedback at MBX.OMB.OFPPv2@OMB.eop.gov.
Continuous Diagnostics & Mitigation Tools provide federal, state, local, and tribal agencies with capabilities and tools that:
Did you know we offer free scope compatibility reviews? This unique benefit of working with GSA can help reduce the risk of protest and improve acquisition outcomes.
Our CDM Tools Special Item Number retired in 2022, and CDM Tools are now available through our Best in Class Hardware and Software SINs.
Check out the CDM Tools buying guide [PDF - 181 KB] or get help with MAS buying.
CDM Tools support the Department of Homeland Security and Cybersecurity and Infrastructure Security Agency CDM program. The hardware and software products associated with this program went through a DHS CISA qualification process to be added to the CDM Approved Products List. The APL is not accepting new submissions for the indefinite future.
Items with this 
meet conformance requirements and are cataloged on the CISA CDM APL.
To become a CDM tools vendor, you’ll first need to meet CISA’s CDM capability functional requirements and be included on the APL. Then, you can apply to sell through GSA Schedules and use the CDM symbol in GSA Advantage. Review our CDM tools vendor guide [PDF - 163 KB].
Current contract holders can submit a modification to add a SIN in the eOffer/eMod portal.
If you’re new to MAS, follow the MAS Roadmap guidance for preparing and sending an offer.
Need help? Contact the Vendor Support Center.
We are available Sunday 9 p.m.-Friday 9:30 p.m. Eastern time. Average wait times are under a minute.
Live chat currently closed: Normal hours are Sunday 9 p.m.-Friday 9:30 p.m. Eastern time.
Hours for live chat and calls:
Sun 8 p.m. to Fri 8:30 p.m. Central time
Error, The Per Diem API is not responding. Please try again later.
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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