The General Services Administration’s Transactional Data Reporting (TDR) program transforms how contractors manage their Multiple Award Schedule (MAS) contracts. Instead of navigating complex pricing disclosures and tracking rules, contractors participating in TDR will have their prices/rates based on fair & reasonable market pricing. Rather than submitting quarterly sales by SIN, TDR participants must submit detailed monthly sales data based on transaction and line-item sales. In return, they gain relief from some of those more burdensome compliance requirements.

For contractors, TDR represents both a challenge and an opportunity: a challenge to stay on top of monthly reporting requirements, and an opportunity to simplify pricing compliance and improve positioning in the federal marketplace.

What is GSA Transactional Data Reporting (TDR)?

Transactional Data Reporting is a reporting framework tied to certain Special Item Numbers (SINs) under the MAS program. Contractors with eligible SINs must submit detailed sales data each month through GSA’s Sales Reporting Portal.

TDR shifts the focus away from traditional disclosures such as Commercial Sales Practices (CSP), the Most Favored Customer (MFC) requirement, and the Price Reductions Clause (PRC). Instead, GSA collects transactional data directly to evaluate competitive market pricing.

Each month, contractors report 12 required data elements such as contract number, order details, product description, manufacturer part numbers, quantity sold, and price paid. GSA also includes four optional reporting fields (order date, ship date, delivery ZIP code, and customer Treasury Agency Code) that may become mandatory in the future.

GSA TDR Program Milestones

Since its introduction, TDR has steadily expanded. Here are a few of the most significant program milestones:

• 2016 – GSA launched TDR as a pilot program on select SINs.
• 2024 – Through MAS Refresh 22, GSA added 67 new SINs to the TDR program. Read our breakdown of MAS Refresh 22 changes here.
• 2025 – GSA expanded TDR to an additional 60+ SINs and required mandatory participation for contracts that include at least one TDR-eligible SIN.
• 2026 (Expected) – GSA anticipates full rollout of TDR across MAS, making it the standard reporting requirement for nearly all contracts.

These changes signal GSA’s long-term commitment to TDR, reinforcing that contractors should prepare for participation now rather than waiting for further expansion.

How GSA’s TDR Works

Under traditional MAS contracts, compliance revolves around disclosures and pricing relationships: CSPs, BOAs, MFCs, and the Price Reductions Clause. TDR replaces this structure with data-driven reporting.

Instead of negotiating discounts and monitoring pricing relationships, contractors report sales transactions monthly. GSA aggregates this data, analyzes pricing across agencies and vendors, and uses the information to guide acquisition strategies. For contractors, the result is fewer upfront disclosures and reduced compliance risk—offset by the responsibility of submitting accurate, timely reports each month.

Key Advantages of TDR Over Traditional MAS Contracts

Contractors weighing the choice between a traditional MAS contract and TDR participation should focus on how TDR impacts compliance, audits, and market strategy. Below are six contractor-focused advantages:

1. Streamlined Offers and Modifications
   By removing CSP disclosures, TDR should speed up GSA contract acquisition and contract modifications. This allows contractors to move through offers and updates faster, reducing delays and freeing resources for business development.
   For details on CSP obligations under non-TDR contracts, see Why Vendors Should Choose to Opt-In. (note: TDR participation is now mandatory if your contract includes an eligible SIN).
2. Reduced Compliance Burden
   TDR eliminates the need to establish or maintain an MFC/BOA relationship. Without the Price Reductions Clause, contractors are freed from one of the most complex and high-risk aspects of MAS contract management.
3. Audit Risk Reduction
   While the GSA Office of Inspector General can still review compliance with other obligations (such as the Trade Agreements Act or labor qualifications), TDR narrows the scope of OIG audits. Contractors gain peace of mind knowing that CSP, BOA, and PRC compliance are no longer potential audit triggers.
4. Market-Aligned Pricing
   Pricing negotiations under TDR reflect actual government purchasing data rather than historic commercial discounts. This makes pricing discussions more competitive, market-driven, and defensible during negotiations.
5. Strategic Business Insights
   Contractors can leverage GSA’s published demand data files on USASpending, Schedule Sales Query, and the Vendor Support Center. These datasets reveal government buying patterns, top-selling products, and pricing trends—giving vendors intelligence to refine strategies and target growth.
6. Small Business Growth Potential
   By removing CSP disclosures and the PRC, TDR lowers barriers to entry, especially for small businesses. Contractors no longer need extensive tracking systems, which level the playing field for companies competing in the federal market.

To learn how recent program expansions opened opportunities for more vendors, see MAS Refresh 22 Expands Eligibility to TDR.

TDR and Category Management

TDR is more than a compliance change—it is a cornerstone of Category Management, the government-wide strategy to manage procurement as a single enterprise.

Category Management sets goals for federal agencies to increase “Spend Under Management” through contract vehicles classified as Tier 1, 2, or 3. All MAS contracts are Tier 2 solutions, but some SINs are recognized as Tier 3, Best-in-Class (BIC) solutions. Transactional data is a key requirement for achieving BIC designation.

For contractors, participation in TDR ensures their contracts align with the government’s top-tier acquisition strategies, potentially positioning them for more agency adoption and long-term competitiveness.

GSA TDR Reporting Requirements for Contractors

Contractors participating in TDR must submit transactional data monthly, including:

• Contract or BPA Number
• Order/Task Order Number (PIID)
• Product or Service Description
• Manufacturer & Part Number
• Unit Measure & Quantity Sold
• Price Paid per Unit & Total Price
• Special Item Number (SIN)

Optional fields (added in July 2024): Order Date, Ship Date, Delivery ZIP Code, and Treasury Agency Code.

Reports are due 30 days after the end of each month, and accuracy is essential. Errors or delays can expose contractors to compliance risks and audit attention.

TDR Compliance Checklist

• Verify if your SIN is TDR-eligible using the TDR SIN Lookup Tool
• Modify contract to accept TDR
• Report 12 required data elements monthly
• Include optional fields (if applicable)
• Submit within 30 days of month-end
• Ensure accuracy to avoid audits or penalties
• Keep consistent TDR status across overlapping MAS contracts

Is Your GSA Contract Required to Participate?

If your MAS contract includes a TDR-eligible SIN, participation is no longer optional—you are required to report. Contractors can confirm eligibility using the official TDR SIN Lookup Tool.

Because GSA TDR applies to the entire contract once an eligible SIN is included, contractors with overlapping MAS contracts should maintain consistent TDR status across both. This reduces administrative complications and ensures smooth MAS modifications.

If your contract includes a TDR eligible SIN, but you are not currently participating, then you must submit a modification to opt in to the TDR program through GSA eMod.

With GSA’s ongoing expansion, contractors should prepare now, even if their SINs are not yet included. By FY 2026, full MAS coverage is expected.

How the Government Uses GSA TDR Data

Beyond compliance, TDR serves several strategic purposes:

• Category Management Support – Ensures agencies steer spending toward Tier 2 and BIC contracts.
• Procurement Intelligence – Gives agencies the data it needs to drive efficiency, negotiate better pricing, and eliminate duplicative contracts.
• Market Insights for Contractors – Contractors can use published demand data to adjust offerings, refine pricing, and identify growth opportunities.

The data you report not only supports compliance but also shapes governmentwide acquisition strategies.

TDR Frequently Asked Questions (FAQ)

How Coley Can Help Contractors Manage TDR

Managing TDR reporting accurately and on time can be challenging, but it doesn’t have to be. Partnering with a knowledgeable advisor ensures your business avoids compliance risks while taking full advantage of the benefits TDR offers. Coley GCS has decades of experience helping contractors with GSA Schedule acquisition, MAS contract modifications, and ongoing contract management. Our team understands both the regulatory requirements and the strategic opportunities of TDR, guiding contractors to stay compliant while positioning their contracts for success.

With more than 24 years of experience, Coley GCS has guided thousands of companies through every stage of GSA catalog management—from SIP and GSA Advantage! to today’s FCP. We understand that this transition isn’t just about compliance; it’s also an opportunity to streamline your catalog and strengthen your position in the federal marketplace.

Contact us at hello@coleygsa.com or 210-402-6766, or book a consultation to ensure your business is ready for long-term success. And if you’re looking for a community and resources to accelerate your federal growth, visit FedMap.us—the #1 growth-focused online community for government contractors.