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GSA7 min readUpdated June 7, 2026

SIN 611TRAINAW: Defense Acquisition Workforce Improvement Act (DAWIA) and Federal Acquisition Certification in Contracting (FAC-C) Professional ^^Development Training for Acquisition Workforce Personnel Guide for GSA MAS

A Refresh 32 guide to GSA MAS SIN 611TRAINAW, Defense Acquisition Workforce Improvement Act (DAWIA) and Federal Acquisition Certification in Contracting (FAC-C) Professional ^^Development Training for Acquisition Workforce Personnel, including category fit, NAICS/PSC context, max order, TDR/OLM status, and offer preparation notes.

Built for
Contractors mapping offerings, pricing support, catalog files, labor categories, or Add SIN modifications to official GSA MAS scope
By the end
Understand where SIN 611TRAINAW fits and what evidence to prepare before using it in an offer or modification.
Field guide

When SIN 611TRAINAW fits

Scope fit
A close-looking SIN can still be wrong if the subcategory, PSC, NAICS, or deliverable story points elsewhere.
Signal
611TRAINAW In accordance with OMB Policy Letter 05-01, civilian agencies must follow the course equivalency determinations accepted by the Defense Acquisition University (DAU) to ensure that core training is comparable across the workforce and qualifies for certification. This SIN is intended to include only DAWIA and FAC-C courses that have been deemed DAU equivalent or approved by the Federal Acquisition Institute (FAI).^^^^When procuring FAC-C and DAWIA training for acquisition professionals interested in completing FAC-C or DAWIA training, the task order level Contracting Officer shall confirm that the courses being acquired are listed on one of the following website: https://icatalog.dau.edu/appg.aspx
Response
Compare the buyer's requirement to the official SIN language before forcing the opportunity into a familiar lane.
Service proof
Service SINs can create labor-category, qualifications, worksite, and rate-support questions.
Signal
The SIN supports service work, labor categories, deliverables, and pricing support.
Response
Prepare labor category descriptions, service narratives, past performance, FCP Services Plus data, and pricing support.
Modification path
Adding a SIN can affect catalog files, service descriptions, pricing support, and buyer-facing records.
Signal
The contractor wants to add this SIN after award or adjust offerings tied to it.
Response
Use the Add SIN and Add Product/Labor Category modification pages to plan scope, price, and evidence changes.
Refresh 32

SIN 611TRAINAW quick facts

A compact view of the official SIN record from the user's Refresh 32 MAS offerings workbook.

Category
Professional Services
Training
NAICS
611430
NAICS codes associated with the SIN in the workbook.
PSC
R410
Product Service Code mapped to the SIN.
Max order
$1,000,000
Ordering threshold for seeking additional price reductions.
Part 1

What SIN 611TRAINAW covers

611TRAINAW In accordance with OMB Policy Letter 05-01, civilian agencies must follow the course equivalency determinations accepted by the Defense Acquisition University (DAU) to ensure that core training is comparable across the workforce and qualifies for certification. This SIN is intended to include only DAWIA and FAC-C courses that have been deemed DAU equivalent or approved by the Federal Acquisition Institute (FAI).^^^^When procuring FAC-C and DAWIA training for acquisition professionals interested in completing FAC-C or DAWIA training, the task order level Contracting Officer shall confirm that the courses being acquired are listed on one of the following website: https://icatalog.dau.edu/appg.aspx

The official record maps this SIN to NAICS 611430 and PSC R410. Those codes are not the whole strategy, but they help explain how the offering is categorized for buyers and reviewers.

Part 2

How to prepare the offer story

For service-oriented SINs, keep the service description, labor categories, pricing support, and past-performance examples aligned. A reviewer should be able to see what work is being sold, who performs it, and why the rate story is defensible.

If the SIN is being added through eMod, write down what changes operationally: new scope, new pricing, new files, catalog impact, and who owns maintenance after approval.

Part 3

Buyer and SEO language to keep straight

Use the SIN number, title, category, and subcategory together: SIN 611TRAINAW - Defense Acquisition Workforce Improvement Act (DAWIA) and Federal Acquisition Certification in Contracting (FAC-C) Professional ^^Development Training for Acquisition Workforce Personnel - Professional Services - Training. That combination helps a buyer understand the lane quickly and helps the page avoid becoming a vague keyword page.

When writing capability language, explain the actual deliverables and evidence. Do not make the SIN carry the whole message by itself.

Examples

What this looks like in practice

Real-world checkHow to test SIN 611TRAINAW before building files

Start with the official title and description: Defense Acquisition Workforce Improvement Act (DAWIA) and Federal Acquisition Certification in Contracting (FAC-C) Professional ^^Development Training for Acquisition Workforce Personnel sits under Professional Services > Training. Then compare your actual commercial offering to that scope, not only to the NAICS code.

If the fit still looks strong, build the proof stack: offering description, pricing support, past performance or product support, and any SIN-specific files the current GSA instructions require.

  • Confirm scope language.
  • Check NAICS and PSC signals.
  • Match the pricing file to the offering type.
  • Keep the support package reviewer-friendly.

Frequently asked questions

Is SIN 611TRAINAW part of TDR?

The Refresh 32 workbook marks TDR as Y for this SIN. GSA states that TDR became mandatory across MAS SINs with Refresh 31, so contractors should still verify current contract reporting instructions in official GSA sources.

Can order-level materials be used with SIN 611TRAINAW?

The workbook marks OLM as Y. OLM treatment should always be verified against the current MAS solicitation, mass modifications, and contract-specific instructions.

Should I pick a SIN only because the NAICS matches?

No. NAICS helps, but SIN selection should be based on the actual offering, official SIN description, category/subcategory, pricing files, and buyer acquisition path.