FAR 3.501-1—Definition.
Plain-English Summary
FAR 3.501-1 defines the term "buying-in" for purposes of the procurement integrity and contract pricing rules in this subpart. The section explains that buying-in occurs when a contractor submits an offer below anticipated costs with the expectation of recovering the shortfall later, either by increasing the contract amount after award through unnecessary or overpriced change orders, or by obtaining follow-on contracts at inflated prices to make up losses. This definition matters because it identifies a pricing tactic that can distort competition, undermine fair and reasonable pricing, and shift costs to the Government after award. In practice, the definition is used to recognize and address situations where an apparently low bid or proposal is not a genuine efficiency gain but a strategy to win work and then recover profit later. It also helps contracting officers, program officials, and auditors distinguish legitimate aggressive pricing from conduct that may signal risk of post-award cost growth or unfair follow-on pricing. The section is narrow but important: it does not itself prohibit every below-cost offer, but it frames the conduct that the rest of the subpart is intended to discourage and manage.
Key Rules
Below-cost offer concept
Buying-in means the offer is submitted below anticipated costs. The focus is not simply on a low price, but on a pricing strategy that is intentionally set below expected performance costs.
Expectation of later recovery
The defining feature is the contractor’s expectation of recovering losses after award. The section identifies two common recovery paths: post-award contract increases or inflated follow-on pricing.
Unnecessary change orders
One form of recovery is increasing the contract amount after award through unnecessary or excessively priced change orders. The definition flags this as a hallmark of buying-in when the contractor expects to make up the initial shortfall that way.
Inflated follow-on pricing
Another form of recovery is obtaining follow-on contracts at artificially high prices to offset losses on the initial contract. The rule recognizes that a low initial price may be paired with later overpricing if the contractor plans to recoup losses over time.
Definition only, not a blanket ban
This section defines the term for use in the subpart; it does not by itself establish every consequence or remedy. The practical effect is to identify conduct that may warrant closer scrutiny under procurement and pricing oversight rules.
Responsibilities
Contractor
Avoid using a below-cost offer as a deliberate strategy to win work with the plan to recover losses later through change orders or inflated follow-on pricing. Contractors should ensure pricing reflects a legitimate business judgment rather than an intent to shift costs to the Government after award.
Contracting Officer
Recognize the definition of buying-in when evaluating unusually low offers or post-award pricing behavior. The contracting officer should be alert to signs that a low price may be paired with an expectation of later recovery through contract modifications or future awards.
Agency
Apply the definition consistently in procurement oversight, pricing review, and contract administration. Agencies should use the concept to identify and manage risks of distorted competition, unnecessary contract growth, and unfair follow-on pricing.
Practical Implications
A very low bid is not automatically improper, but it can be a warning sign if it appears designed to be recovered later through changes or future contracts.
Contracting officers should watch for patterns such as frequent change order requests, unusually aggressive low pricing followed by cost growth, or pricing on follow-on work that seems disconnected from market conditions.
Contractors should be careful not to create the appearance that they are underpricing initial work to secure award and then planning to make up the difference later.
The definition is important in source selection and contract administration because it helps distinguish legitimate competitive pricing from a strategy that can harm the Government’s bargaining position.
Documentation matters: if a low price is accepted, the file should reflect the basis for award and any concerns about potential post-award recovery tactics.
Official Regulatory Text
Buying-in , as used in this section, means submitting an offer below anticipated costs, expecting to- (1) Increase the contract amount after award ( e.g., through unnecessary or excessively priced change orders); or (2) Receive follow-on contracts at artificially high prices to recover losses incurred on the buy-in contract.