Federal agencies have several ways to decide which offer to accept. Two of the most common approaches in negotiated procurements are the best value tradeoff and lowest price technically acceptable, often shortened to LPTA. Both appear in the FAR’s source selection framework, and both are described in the evaluation section of the solicitation. Knowing which one applies should shape how you write and price your proposal.
How a best value tradeoff works
In a tradeoff, the government evaluates non-price factors, such as technical approach, management and past performance, along with price. It can award to an offer other than the lowest priced if the perceived benefits of a higher-rated proposal merit the additional cost. The solicitation tells you the relative importance of the factors, such as whether non-price factors combined are more important than price.
The source selection authority must document the rationale for any tradeoff. That means the strengths identified in your proposal need to be clear and meaningful enough to justify paying more.
How LPTA works
Under LPTA, proposals are evaluated for technical acceptability, typically on a pass or fail basis against stated minimum requirements. Among acceptable proposals, the lowest priced generally wins. Extra features beyond the requirements usually earn no additional credit.
In recent years, Congress and agencies have placed limits on using LPTA for certain types of work where it may not be appropriate, such as some complex or knowledge-based services. Agencies must generally be able to justify its use. Check the current FAR and agency rules on acquisition.gov for details.
Adjusting your proposal for a tradeoff
- Build clear win themes tied to the most important evaluation factors.
- Highlight strengths explicitly, using language that maps to the solicitation’s definitions.
- Explain how your approach reduces risk or improves outcomes for the agency.
- Price competitively, but recognize that a well-supported technical advantage may justify a somewhat higher price.
Adjusting your proposal for LPTA
- Focus on clearly meeting every requirement, with no ambiguity that could make you unacceptable.
- Avoid adding costly features the government will not credit.
- Scrutinize your price structure for efficiency, since price is decisive among acceptable offers.
- Make sure your price is still realistic enough to perform well, because winning a contract you cannot perform profitably is a real risk.
Other approaches you may see
Some solicitations use variations, such as highest technically rated with a fair and reasonable price, or phased evaluations where offerors are down-selected before a full proposal. Simplified acquisitions and orders under existing vehicles may use streamlined methods. Each approach has its own logic, and the evaluation section is your guide.
Whatever the method, the principle is the same: read the basis for award first, then design your proposal and price to win under those specific rules.