Support- Professional: Expert Witness

PSC code R424 — Support- Professional: Expert Witness — is used by federal contracting officers to classify service purchases. When an agency awards a contract for support- professional: expert witness, they record PSC code R424 in the Federal Procurement Data System (FPDS).

As a vendor, knowing this PSC code helps you find relevant opportunities. Search for active solicitations using PSC code R424 on SAM.gov, or review historical awards on USASpending.gov to understand which agencies buy this service and at what contract values.

PSC code R424 falls under the Professional Services category. Service codes like this one are used for professional services, IT, construction, and R&D contracts.

To find opportunities using this PSC code on SAM.gov:

You can also track historical spending patterns for PSC code R424 on USASpending.gov. Filter by agency, fiscal year, and award type to identify your best customers and forecast future opportunities.

What is PSC code R424?

PSC code R424 — SUPPORT- PROFESSIONAL: EXPERT WITNESS — is a federal Product and Service Code used to classify product or service purchases on government contracts. It falls under the Professional Services category and is used by contracting officers when reporting contract actions in the Federal Procurement Data System (FPDS).

How do I use PSC code R424 in SAM.gov?

PSC codes are used by the government to describe what they are buying, not by vendors to register. However, understanding PSC code R424 helps you identify which federal opportunities to pursue. Search for active opportunities using this PSC code on SAM.gov under Contract Opportunities, or use USASpending.gov to see historical contract awards under this code.

What types of contracts use PSC code R424?

Federal agencies use PSC code R424 (SUPPORT- PROFESSIONAL: EXPERT WITNESS) when awarding contracts for support- professional: expert witness. You can view all current and historical contract awards under this code on USASpending.gov.