Update Your Catalog to MAS in Advantage - Before It's Too Late

Ensure your GSA Advantage catalog is updated to the new consolidated MAS by March 31, 2021. Seek professional assistance for GSA Schedule compliance and catalog management.

Update Your Catalog to MAS in Advantage - Before It's Too Late

The General Services Administration (GSA) has extended the deadline for updating price lists and GSA Advantage catalogs to align with the new consolidated Multiple Award Schedule (MAS) to March 31, 2021. This extension provides additional time for GSA contractors to complete the necessary updates. Let's dive into what needs to be done:

Steps for GSA Advantage MAS Update

Here are the steps you need to take to stay inline with GSA's requirements:

  1. Update Your GSA Contract Price List

Requirement: Your price list (also known as a text file or terms and conditions document) must be revised to reflect the new Special Item Number (SIN) structure of the MAS Contract.

Action: Crosswalk your legacy SINs to the new MAS SINs. This means identifying how your old SINs correspond to the new SIN structure and ensuring your pricing and product/service offerings are accurately represented under the new SINs.

  1. Upload & Migrate Within SIP/EDI

Requirement: After updating your price list, you need to upload this revised document to GSA Advantage using the Schedule Input Program (SIP) or Electronic Data Interchange (EDI).

Action in SIP: If using SIP, select the “Migrate to MAS” option within the Tools menu. This step is crucial for maintaining visibility and functionality within eBuy, particularly for product vendors, as it updates the SINs in your GSA Advantage product listings.

Importance of Meeting the Deadline

The March 31, 2021 deadline potentially affects your viable presence on GSA Advantage and impacts your ability to access eBuy. It is imperative to comply by the deadline to avoid any detrimental results.

  • March 31, 2021 Deadline: The new deadline set by GSA is not to be missed. Post-March 31st, catalogs and products that still reference legacy GSA Schedules and SINs will be removed from GSA Advantage. This removal could significantly impact your ability to sell through the GSA Schedule and access eBuy.
  • Access to GSA Advantage and eBuy: Failure to update your catalog according to the new MAS structure may lead to an undesirable loss of sales opportunities and decreased visibility to federal buyers.

Need Assistance?

Obtaining professional help can ease this transition. There are consultants and firms specializing in GSA Schedule compliance and catalog management who can provide valuable assistance.

  • Support Offered: If you require additional support in updating and migrating your Advantage catalogs to meet the new MAS requirement, do not hesitate to seek assistance. Specialists in GSA Schedule compliance and catalog management can deliver the support you need.
  • Contact for Quote: It's recommended to reach out to a GSA consultant or a company specializing in GSA Schedule services if you need professional help. They can provide a quote and guide you through the update process seamlessy.


The extension of the deadline to March 31, 2021, is an opportunity for GSA contractors to ensure their catalogs are fully compliant with the new MAS structure. Taking timely action to update your GSA Advantage catalog and price list is crucial for maintaining your presence and competitiveness in the GSA marketplace. And remember, specialized assistance like our GSA Schedule Consulting services, led by a former GSA Schedule reviewer, is just a click away.

Pedro has extensive background as a Contracting Officer and Contract Specialist, has worked across seven federal agencies, managing contracts totaling over $1 billion in the professional and tech sectors. His notable tenure includes serving with the DoD/DARPA during the inception of their robotics program. Additionally, he played a pivotal role in initiating the Cyber Special Item Number (SIN) within the GSA's IT Schedule 70 as a Team Lead. After graduating from Harvard, he started Blackfyre to help you win your next contract.

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