How to Read Sections L and M Before You Write a Federal Proposal
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What Sections L and M of a federal solicitation require, how they shape evaluation, and how to turn them into a compliant, easy-to-score proposal.
Many first-time federal bidders open a solicitation, jump straight to the statement of work and start writing about how good their company is. Then the proposal is marked down, or set aside entirely, for reasons that had nothing to do with the quality of their work: a missing volume, a page limit ignored, a factor never addressed. Most of those mistakes trace back to two parts of the solicitation, Section L and Section M. Section L tells you how to build the proposal. Section M tells you how it will be judged. This article explains where those sections come from in the Federal Acquisition Regulation, what each one is required to contain, how the commercial-item version differs, and how to turn both into a working outline before you write a single paragraph of your technical approach.
Where Sections L and M come from
Most negotiated federal contracts follow a fixed layout. FAR 15.204-1 requires contracting officers to prepare solicitations and resulting contracts using the uniform contract format in its Table 15-1. That table splits the document into four parts. Part I, the Schedule, runs from Section A (the solicitation and contract form) through Section H (special contract requirements), and includes Section B for prices and Section C for the description or statement of work. Part II is Section I, the contract clauses. Part III is Section J, the list of attachments. Part IV, titled Representations and Instructions, holds Section K for representations and certifications, Section L for instructions, conditions and notices to offerors, and Section M for evaluation factors for award.
One detail in FAR 15.204-1(b) tells you how temporary Part IV is. Solicitations must include all four parts, but upon award the contracting officer does not physically include Part IV in the resulting contract and instead keeps it in the contract file. Sections L and M exist to run the competition. They are the rules of the game, not the terms you will perform under, which is exactly why they deserve your full attention before the deadline rather than after.
If you are still learning how to find solicitations and read their headers, our walkthrough on how to read a SAM.gov contract notice covers the notice type, the NAICS code and where the attachments live. The solicitation document itself, with its lettered sections, is normally one of those attachments on SAM.gov.
What Section L is required to do
FAR 15.204-5(b) describes Section L as the place for solicitation provisions and other information and instructions not required elsewhere, to guide offerors in preparing proposals. It says prospective offerors may be instructed to submit proposals in a specific format or in severable parts to facilitate evaluation, and it gives examples of how those parts may be organized: administrative, management, technical, past performance, and certified cost or pricing data or data other than certified cost or pricing data.
In practice, that is where you find the volume structure, page limits, font and margin rules, file naming conventions, the submission method and address, the question deadline, and what each volume must contain. Treat every one of those as a requirement, not a suggestion. An evaluator working through a stack of proposals is looking for the information Section L asked for in the place Section L told you to put it. If you make the reader hunt for it, you are making their job harder at the exact moment they are deciding your score.
Timing rules matter just as much. FAR 15.208(a) says offerors are responsible for submitting proposals, revisions and modifications so they reach the government office designated in the solicitation by the time specified, and that if no time is specified the time for receipt is 4:30 p.m. local time for that office on the due date. Under FAR 15.208(b), a proposal received after the exact time specified is late and will not be considered except in narrow circumstances the regulation lists, such as an electronic submission that reached the initial point of entry to the government infrastructure by 5:00 p.m. one working day before the due date, or a late proposal that was the only one received. Do not plan around those exceptions. Plan to submit early enough that a slow upload or a confused email gateway cannot cost you the bid.
What Section M is required to do
FAR 15.204-5(c) says Section M must identify all significant factors and any significant subfactors that will be considered in awarding the contract and their relative importance, and that the contracting officer must insert one of the phrases from FAR 15.304(e). That second requirement is the single most useful sentence for planning your proposal.
FAR 15.304(e) requires the solicitation to state, at a minimum, whether all evaluation factors other than cost or price, when combined, are significantly more important than cost or price, approximately equal to cost or price, or significantly less important than cost or price (with a narrow exception for certain DoD, NASA and Coast Guard multiple-award contracts). FAR 15.304(d) adds that all factors and significant subfactors that will affect award, and their relative importance, must be stated clearly in the solicitation, though the rating method itself need not be disclosed. The general approach for evaluating past performance must also be described.
Section 15.304 sets a few floors that show up in nearly every Section M. Under FAR 15.304(c), price or cost to the government must be evaluated in every source selection, subject to that same narrow exception, and the quality of the product or service must be addressed through one or more non-cost factors such as past performance, compliance with solicitation requirements, technical excellence, management capability, personnel qualifications or prior experience. Past performance must be evaluated in negotiated competitive acquisitions expected to exceed the simplified acquisition threshold, unless the contracting officer documents why it is not appropriate. If you are worried about that factor because your federal history is thin, our article on past performance for first-time federal bidders explains how agencies treat offerors with no relevant record.
The other rule worth memorizing is in FAR 15.305(a): an agency shall evaluate competitive proposals and assess their relative qualities solely on the factors and subfactors specified in the solicitation. Section M is therefore the complete list of what can earn you credit. Material that does not map to a stated factor may be interesting, but it is not what you are being scored on.
Tradeoff or lowest price technically acceptable
Section M also tells you which kind of competition you are in, and that should change how you spend your writing effort. Under FAR 15.101-1, a tradeoff process is appropriate when it may be in the government's best interest to consider award to other than the lowest priced or highest technically rated offeror. It permits tradeoffs between price and non-price factors and allows the government to accept a higher priced proposal, but the perceived benefits of that proposal must merit the additional cost and the rationale must be documented. In a tradeoff, strengths matter. Specific, verifiable reasons your approach lowers risk or improves results are what an evaluator can point to when justifying a higher price.
FAR 15.101-2 describes the lowest price technically acceptable process, used when best value is expected to come from the technically acceptable proposal with the lowest evaluated price. The solicitation must set out the factors that establish acceptability and state that award goes to the lowest evaluated price among proposals meeting or exceeding those standards. Tradeoffs are not permitted, and proposals are evaluated for acceptability but not ranked on the non-price factors. In an LPTA competition, extra polish above the acceptability line earns nothing, so your job is to clearly meet every standard and then sharpen your price. The same section contains a protection worth knowing: if the contracting officer finds a small business's past performance not acceptable in an LPTA source selection, the matter must be referred to SBA for a Certificate of Competency determination under FAR Subpart 19.6. FAR 19.601 describes the COC as SBA's certification that a small business is responsible for the purpose of receiving and performing a specific contract.
The commercial-item version: 52.212-1 and 52.212-2
Many set-aside opportunities are for commercial products or commercial services, and those solicitations often look different. FAR 12.303 says commercial solicitations are assembled, to the maximum extent practicable, around Standard Form 1449, with the provision at 52.212-1, Instructions to Offerors, incorporated by reference along with any addendum, and 52.212-2, Evaluation, or another description of the evaluation factors. FAR 12.301(b)(1) describes 52.212-1 as a single, streamlined set of instructions that the contracting officer may tailor or supplement.
So in a commercial buy, the addendum to FAR 52.212-1 plays the role of Section L, and FAR 52.212-2 or its replacement plays the role of Section M. The base text of 52.212-1(b) lists what offers must show at a minimum, including the solicitation number, a technical description in enough detail to evaluate compliance, price and discount terms, a completed copy of the representations and certifications at 52.212-3 (some of which are completed electronically), acknowledgment of amendments, and past performance information when it is an evaluation factor. The 52.212-2 template asks the contracting officer to insert the significant evaluation factors in their relative order of importance and to state how technical and past performance, combined, compare with price. If you cannot find a Section L or M in a commercial solicitation, look for those provisions and their addenda instead.
Turning L and M into a proposal outline
The practical method is simple and it works on almost any solicitation. Before writing, copy every instruction from Section L and every factor and subfactor from Section M into a single table, often called a compliance matrix. For more depth on that habit, see federal proposal writing books (Affiliate link). Give each row the requirement, where it comes from in the solicitation, which volume and heading of your proposal will answer it, and who on your team owns it. Then build your proposal headings so they mirror the solicitation's numbering and wording. An evaluator holding Section M should be able to open your technical volume and find each factor answered in order, under a heading that uses the agency's own words.
Hypothetical example: a solicitation for facilities maintenance, set aside for small business, says in Section L that the technical volume is limited to 15 pages and must address staffing approach, quality control and transition. Section M lists technical approach, past performance and price, says technical approach is more important than past performance, and states that the non-price factors combined are approximately equal to price. A disciplined response would spend most of the 15 pages on the three technical topics in the order Section L lists them, include a quality control discussion that ties back to the performance standards in Section C, and present past performance in the format Section L requires. Because the non-price factors carry roughly the same weight as price, the firm cannot rely on the lowest price alone, and it cannot ignore price either.
Finally, read every amendment and recheck both sections each time one is issued, since instructions and dates can change. Ask questions through the channel and by the deadline Section L names, and remember that the solicitation controls over anything you heard informally. Once the proposal is in, the agency may award without discussions if the solicitation says it intends to, as FAR 15.306(a) allows, which means your first submission may be your only chance. Write it as if there will be no second round.
If you are looking for your next bid to practice on, browse our total small business set-aside listings or the full set-aside directory, and make sure your registration is current with our SAM.gov registration guide. For background on why a buy was set aside in the first place, see what a small business set-aside is.
Helpful reading. For more depth on proposal writing, see federal proposal writing books (Affiliate link) and government proposal management books (Affiliate link). As an Amazon Associate I earn from qualifying purchases.
The Set-Aside Desk is published by SetAside Signal, an independent publication, not a government agency. This article isn't legal advice; rules change, so confirm details with the official sources: SBA (sba.gov), SAM.gov and the FAR at acquisition.gov. Published Oct 23, 2026.