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Migrate your GSA Advantage Catalog to MAS by March 31, 2021


REMINDER: To be in full compliance with the MAS Consolidation Mass Mod A812, all contractors must complete these two important steps by March 31, 2021:


1. Update their catalog in GSA Advantage.

2. Update their Price List (Text File).

In order to avoid the removal of your catalog from GSA Advantage, your SIP or EDI catalog MUST be updated to the consolidated MAS SINs prior to March 31, 2021. Please take the steps outlined in the SIP/EDI Catalog Update Guide to ensure your catalog status or access to eTools is not disrupted.

Please remember that all catalog submissions must be approved by your CO, so plan accordingly and don’t delay.

In addition, all Schedule holders must also update their Price List (Text File) using the MAS Consolidation Price List Guide to organize their contract offerings under the new SIN structure. Ensuring this information is up to date is a contract requirement.  

Have Questions?

The MAS PMO hosts monthly office hours. These webinars cover different topics each month and are your chance to ask MAS experts anything! Register here

Aren’t sure if your file is already updated or having technical difficulties updating your catalog?

Please contact the Vendor Support Center Help Desk at vendor.support@gsa.gov or call 877-495-4849.

We appreciate your attention to this matter and continued partnership. 

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