For years, the "ostensible subcontractor rule" has been a subjective compliance nightmare for small business prime contractors. The rule dictates that a small business prime is affiliated with its subcontractor if the sub performs "primary and vital requirements" of a contract, or if the prime is "unusually reliant" on them. Historically, determining whether a relationship crossed this line involved navigating confusing SBA Office of Hearings and Appeals (OHA) case law, revolving around various multi-factor tests and arbitrary percentage thresholds.

Fortunately, a recent SBA OHA decision (Yellowstone Kelly's, Inc.) highlights how a 2023 regulatory change has created a much-needed "safe harbor" for small businesses. Now, under 13 C.F.R. 121.103(h)(3)(iii), if a small business prime can demonstrate it will meet the Limitations on Subcontracting (LoS) provisions under 13 C.F.R. 125.6, the SBA will generally find that the prime is not violating the ostensible subcontractor rule. In the Yellowstone case, a prime contractor successfully defeated a size protest by providing tangible evidence to the SBA—such as teaming agreements, subcontracts, and proposals—that proved their financial intent to comply with the LoS.

This safe harbor explicitly applies only to contracts for services, specialty trade construction, or supplies. General construction contracts are strictly omitted from this protection.

STRATEGIC ACTION PLAN FOR YOUR BUSINESS

As your advisor, I highly recommend adopting a proactive approach to documenting your prime-subcontractor relationships to ensure you can utilize this safe harbor if protested. Here is your game plan:

• Master the Limitations on Subcontracting (LoS) Formula: The safe harbor only protects you if you are correctly applying the LoS. Ensure your teaming agreements use the right formula: compliance for services is measured by the percentage of the amount paid by the government, not by labor hours or other arbitrary measurements. Pledging compliance using the wrong metric will likely invalidate your safe harbor defense.
• Create Contemporaneous Documentation: Do not rely on post-protest explanations or documents created after the fact. You must be able to prove your intent to comply with the LoS using "tangible evidence" that existed before the final proposal revisions date. Embed clear LoS compliance language directly into your teaming agreements, proposals, subcontracts, and task breakdowns prior to submission.
• Beware the General Construction Exception: If you are bidding on a solicitation carrying a general construction NAICS code, remember that the safe harbor does not apply to you. You will still be subject to the old, highly subjective ostensible subcontractor rule review, meaning you must structure those specific prime-sub relationships with extreme caution to avoid affiliation.

Credits & Further Reading: This update is based on legal analysis and commentary authored by Steven Koprince, published on his blog and newsletter, The FedLift Launchpad.

• • • Read the full analysis here: Avoiding Ostensible Subcontractor Affiliation With SBA's "Safe Harbor"