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This is a U.S. General Services Administration Federal government computer system that is FOR OFFICIAL USE ONLY. This system is subject to monitoring. Individuals found performing unauthorized activities are subject to disciplinary action including criminal prosecution.

Note: If you are a GSA employee, you may login using your GSA Windows username and password.
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Regional Point of Contacts



Technical Support and Registration

Call: (877) 472-4877

Email: AASBS.helpdesk@gsa.gov


FY17 PI-3 Release

System Announcement On July 14th, 2017, the FY17 PI-3 Release was deployed. This release contains updates to Post Awards Collaboration, OMIS Funds Search, TOS ECF, ITSS Funding, PIID and FPDS. For more information on the details of the changes, please access the help document : https://web.itss.gsa.gov/itss/v41_helpdocs.nsf/LUindex/What'sChangingInPI3Summary

FY17 PI-2 Release - Regions & TAS Billing

System Announcement AASBS have introduced two new regions to the RBA Workflow and Financial Applications, and have introduced enhancements to the Billing Flat File transmitted to the Pegasys financial application: GSS SOP Regions 21 & 22 have been integrated into the ITSS order workflow, ITSS Funding, ITOMS, and CIS; GSS SOP Regions 21 & 22 have been integrated into Central Registration, Post Award Collaboration, and BIRT reporting; Existing billing file mappings for three fields have been revised to populate values directly from source funding artifacts.

Changing Password - Clients and Contractors

System Announcement For Client and Contractor users: you may change your ASSIST password at any time, but must change it every 90 days. You may access instructions on how to change your password at the following URL : https://web.itss.gsa.gov/itss/v41_helpdocs.nsf/LUindex/ChangePassword

News and Information

Technical Support and Registration
 Call: (877) 472-4877
Email: AASBS.helpdesk@gsa.gov

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GSA Programs

Office of Assisted Acquistion Services
Assisted Acquistion Services (AAS)


Federal Systems and Integrated Management Center
Federal Systems and Integrated Management Center (FEDSIM)


Office of Integrated Technology Services
Integrated Technology Services (ITS)


Office of General Supplies and Services (IWAC)
GSA's Integrated Workplace Acquisiton Center (IWAC)


Governmentwide Acquisition Contracts (GWACs)
Governmentwide Acquistion Contract (GWAC)


Office of Network Services Program
Network Services Program