GSA MAS Post‑Award Requirements (Full Lifecycle Checklist)

1. Immediate Post‑Award Onboarding (First 30–60 Days)

  • GSA Advantage catalog upload — Submit your SIP/EDI catalog or FPT file.

  • eBuy profile setup — Ensure your points of contact and categories/SINs are correct.

  • TAA compliance validation — Confirm all products/services meet TAA requirements.

  • IFF reporting setup — Establish internal tracking for the 0.75% fee.

  • Internal MAS compliance file creation — CSP, PRC, discounting, catalog, and pricing documentation.

  • Agency marketing plan — Identify target agencies and build outreach.

2. Required Ongoing Compliance Activities

  • Quarterly Sales Reporting — Submit sales via FAS Sales Reporting Portal (SRP).

  • IFF Payment — Pay 0.75% of MAS sales quarterly.

  • TAA Compliance Monitoring — Maintain country‑of‑origin accuracy.

  • Price Reduction Clause (PRC) Monitoring — If applicable, track Basis of Award customer pricing.

  • Commercial Price List Updates — Maintain consistency between commercial and MAS pricing.

  • Labor Category & Service Compliance — Ensure labor categories match awarded descriptions.

  • Subcontracting Plan Reporting (if required) — Submit ISR/SSR reports in eSRS.

Explore deeper:

  • PRC rules

  • Quarterly reporting

3. GSA eMods (Contract Modifications)

Contractors must use eMod for all changes to the contract. Common modifications include:

  • Administrative Mods

    • Address changes

    • POC updates

    • Name changes

    • Novations

    • Legal entity changes

  • Pricing Mods

    • Price increases (EPA)

    • Price decreases

    • Discount changes

    • CSP updates

  • Technical Mods

    • Adding products/services

    • Deleting products/services

    • Updating descriptions/specs

    • Adding labor categories

  • SIN Additions

    • Adding new SINs requires full technical + pricing review.

  • Terms & Conditions Mods

    • Updating commercial practices

    • Updating warranties

    • Updating return policies

Explore:

  • Types of mods

  • How to add a SIN

  • EPA rules

4. Mass Mods (Mandatory Acceptance)

GSA issues Mass Mods to update contract terms across all MAS contracts. Contractors must:

  • Review each Mass Mod

  • Accept it in the Mass Mod portal

  • Update internal compliance documentation

  • Adjust catalog/pricing if required

Mass Mods typically include:

  • Solicitation refreshes

  • Clause updates (FAR/GSAM)

  • SIN restructuring

  • Policy changes (TAA, cybersecurity, etc.)

Explore:

  • Mass Mod requirements

5. SAM.gov Requirements

  • Annual SAM.gov Reps & Certs renewal

  • UEI maintenance

  • Entity registration updates

  • Ensure no lapse in SAM status (a lapse can suspend MAS ordering eligibility)

Explore:

6. Audits & Assessments

GSA conducts several types of audits:

Industrial Operations Analyst (IOA) Assessment

Occurs annually or bi‑annually. Reviews:

  • Sales reporting

  • IFF payments

  • TAA compliance

  • Pricing integrity

  • Catalog accuracy

  • Modifications

  • Internal controls

OIG Audits

More intensive; focuses on:

  • CSP disclosures

  • PRC compliance

  • Pricing accuracy

  • Discounting practices

  • Basis of Award customer tracking

Catalog Reviews

GSA checks:

  • Advantage accuracy

  • Price consistency

  • TAA compliance

  • Product/service descriptions

Explore:

  • IOA assessments

  • OIG audits

7. Catalog & Pricing Maintenance

Contractors must maintain:

  • Accurate GSA Advantage catalog

  • Updated pricing

  • Updated product/service descriptions

  • TAA‑compliant country‑of‑origin

  • Updated labor category descriptions

  • Consistency between commercial and MAS offerings

Explore:

  • Catalog management

8. Marketing & Sales Requirements

  • Respond to eBuy RFQs

  • Build BPAs with agencies

  • Maintain capability statements

  • Conduct agency outreach

  • Track MAS‑specific pipeline

  • Maintain past performance

  • Ensure $100,000 minimum sales over 5 years

Explore:

  • Sales strategies

  • Agency targeting

9. Option Extension (Year 5)

GSA requires:

  • Compliance review

  • Pricing review

  • Past performance validation

  • Catalog refresh

  • Acceptance of latest Mass Mods

  • Updated terms & conditions

  • Updated CSP (if required)

Explore:

  • Option year process

10. Contract Renewal (Year 10)

Contractors must:

  • Submit renewal package

  • Update pricing

  • Update technical proposal

  • Update CSP

  • Complete compliance review

  • Refresh catalog

  • Accept solicitation refresh changes