A definitive agreement is the final, legally binding contract that sets every term of a corporate merger, acquisition, or asset sale. It is signed after the buyer has completed due diligence, and once executed it supersedes any letter of intent, term sheet, or memorandum of understanding the parties used to get there. From that point on, the definitive agreement controls the deal: what is being bought, what it costs, what each side has promised, what still needs to happen before closing, and who owes whom if things go wrong later.
The document is long because it has to answer a lot of questions at once. The sections below walk through the provisions that do the real work.
Purchase Price and How It Gets Paid
The price section identifies the total consideration and the form it takes. Buyers commonly pay with a mix of cash, stock, and sometimes promissory notes. When stock is part of the consideration, the agreement fixes either an exchange ratio or a dollar value of shares based on a trailing average price. A promissory note creates a debt obligation, with the buyer paying part of the price over several years at an agreed interest rate.
Earn-outs tie a portion of the payout to future performance. The seller collects the additional money only if the business hits specific revenue or profit targets inside a defined window, often twelve to twenty-four months after closing. Earn-outs bridge valuation gaps when the two sides disagree on what the company is worth, and they are a frequent source of post-closing disputes over how earnings are calculated.
Escrow protects the buyer. A slice of the purchase price is deposited with a neutral third party and held for a defined period, giving the buyer a pool to draw from if the seller’s promises turn out to be wrong or post-closing obligations go unfulfilled.
Working Capital Adjustments
The number the parties agree on at signing almost never closes exactly as written. Before signing, they set a target level of net working capital based on the company’s recent financials. At closing, actual working capital is measured against that target. If the company burned cash or let receivables slide, the price drops. If working capital came in higher, the price goes up.
The true-up runs in stages. The buyer typically has 90 to 120 days after closing to deliver a closing statement; the seller then has 30 to 60 days to object. Unresolved items go to a neutral accountant whose determination binds both sides. Because this is where many disputes originate, the definitions of what counts as working capital and which accounting methods apply repay careful attention during drafting.
Representations and Warranties
Each side makes a series of factual statements that form the foundation of the deal’s economics and legal assumptions. The seller’s list is long: the company legally exists, its financial statements are accurate, it owns the assets being sold, its taxes are paid, and it complies with environmental and employment laws, among others. Disclosure schedules attached to the agreement flag exceptions and known liabilities the buyer is agreeing to accept.
The buyer’s representations are shorter. They confirm corporate authority to enter the contract, financial capacity to fund the acquisition, and the absence of litigation that would block the deal. By signing, each party certifies that its statements are true at that moment. Vague drafting on the seller’s side can leave the buyer with no recourse when problems surface after closing; overly aggressive drafting can expose the seller to indemnification claims over technicalities.
Operating Covenants Between Signing and Closing
The gap between signing and closing can run weeks or months, and the agreement has to keep the business intact during that period. Operating covenants set the rules.
Negative covenants restrict the seller from making significant changes without the buyer’s written consent. Typical restrictions include no new equity issuances that would dilute ownership, no major new borrowing, no asset sales outside the ordinary course, and no major hiring or termination decisions affecting key personnel.
Affirmative covenants require the seller to keep operating the business consistent with past practices: maintaining insurance, paying taxes on schedule, and preserving relationships with major customers and employees. The buyer picks up obligations of its own, such as working to secure financing and cooperating with regulatory filings. Together these provisions prevent either side from undermining the deal’s value before control changes hands.
Closing Conditions
A signed agreement does not close the deal. Several conditions must be satisfied first, and either party can walk if the benchmarks aren’t met.
Antitrust Review and HSR Filings
Deals above certain size thresholds trigger federal antitrust review. Under the Hart-Scott-Rodino Act, both parties file a premerger notification and wait for government review. For 2026, a filing is required when the transaction value exceeds $133.9 million and the parties meet the applicable size-of-person tests, or when the value exceeds $535.5 million regardless of party size.1Federal Trade Commission. Steps for Determining Whether an HSR Filing is Required Filing fees in 2026 range from $35,000 for transactions under $189.6 million up to $2.46 million for deals valued at $5.869 billion or more.2Federal Trade Commission. Filing Fee Information
After filing, the parties observe a 30-day waiting period. If the reviewing agency needs more, it issues a “second request” that extends the wait until the parties have substantially complied and another 30 days have passed.3Federal Trade Commission. Premerger Notification and the Merger Review Process If the agency ultimately blocks the deal or demands significant divestitures, the definitive agreement typically releases both parties from their obligation to close.
Third-Party Consents and Bring-Down
Many business contracts contain change-of-control provisions requiring the consent of landlords, lenders, or major vendors before ownership can transfer. The agreement lists the consents needed and often makes closing conditional on obtaining them. A bring-down requirement adds another layer: the representations each side made at signing must remain true and correct as of the closing date. If a material representation has become false in the interim, the other party can refuse to close.
Material Adverse Change
The material adverse change clause, sometimes labeled material adverse effect or MAE, is one of the most heavily negotiated provisions in the agreement. It lets the buyer walk if something fundamentally damaging happens to the target between signing and closing. Courts set a high bar. A short-term dip in revenue does not qualify; the adverse change must substantially threaten the company’s long-term earnings potential in a way that would matter to a reasonable buyer over a commercially significant timeframe, and the buyer carries the burden of proof. Most agreements also carve out broad categories of events that do not count, including general economic downturns, industry-wide changes, and effects of the deal announcement itself.
Termination Rights and Breakup Fees
Not every signed deal reaches closing. The agreement specifies when each party can terminate and what money moves as a result.
A seller-side breakup fee compensates the buyer if the seller walks away, most often because the seller accepted a superior offer. These fees generally run two to three and a half percent of total deal value. A reverse breakup fee runs the other direction: the buyer pays the seller if the buyer fails to close, commonly triggered by inability to secure financing or failure to obtain regulatory approval.
Termination rights themselves are usually limited to defined scenarios: a party’s uncured material breach, failure to close by a negotiated drop-dead date, or a legal order permanently blocking the transaction. The agreement should tie specific fees to specific triggers, because financial exposure swings widely depending on why the deal fell apart.
Indemnification and Post-Closing Liability
After closing, indemnification provisions control who pays when problems surface. The seller compensates the buyer if representations turn out to be false or if pre-closing liabilities emerge that were not disclosed. Three financial guardrails shape that exposure.
Caps set a ceiling on the seller’s total indemnification liability, commonly a percentage of the purchase price. For general representations, caps often fall in the ten to twenty percent range, while fundamental representations like ownership of assets or tax compliance may carry higher caps or none at all.
Baskets work like a deductible. Total losses must exceed a threshold before the seller owes anything. Once the basket is crossed, some agreements require the seller to cover all losses from the first dollar (a “tipping basket”), while others cover only losses above the threshold (a “true deductible”).
Survival periods set deadlines for bringing claims. General representations typically survive twelve to twenty-four months after closing. Tax and fraud-related representations usually survive longer, sometimes indefinitely. The escrow account funded from the purchase price often serves as the first source of payment when a valid claim is established, giving the buyer confidence the money is actually available and giving the seller a defined endpoint.
Asset Deal or Stock Deal
The definitive agreement must specify whether the transaction is structured as an asset purchase or a stock purchase, because the tax consequences run in opposite directions.
In an asset purchase, the buyer acquires specific assets and assumes specific liabilities. The buyer receives a stepped-up tax basis in the purchased assets, meaning higher depreciation and amortization deductions going forward. The seller, if the target is a C corporation, faces potential double tax: the corporation pays tax on the asset sale, and shareholders pay again when the proceeds are distributed.
In a stock purchase, the buyer acquires the target’s shares and takes the company whole, assets and liabilities together. The seller generally pays capital gains rates, which are lower. The buyer inherits the company’s existing tax basis in its assets with no step-up.
A Section 338(h)(10) election can split the difference by allowing a stock acquisition to be treated as an asset acquisition for federal tax purposes. It is available when the buyer is a corporation that completes a qualified stock purchase of at least 80 percent of the target’s voting power and value, and the target is either a member of a selling consolidated group or an S corporation.4Office of the Law Revision Counsel. 26 USC 338 – Certain Stock Purchases Treated as Asset Acquisitions Buyer and seller must make the election jointly, and once made it is irrevocable. For S corporation targets, every shareholder must agree, including those not selling shares in the transaction.
Non-Compete and Non-Solicitation Covenants
When a buyer pays for goodwill, customer relationships, and market position, it does not want the seller reopening across the street. Non-compete and non-solicitation covenants address that risk.
Non-competes tied to the sale of a business receive more favorable treatment from courts than those arising purely from employment. The buyer has paid for the goodwill, and courts generally enforce restrictions that are reasonable in geography, duration, and scope of restricted activity. What counts as reasonable depends on deal size, the seller’s role in the business, and the industry.
Non-solicitation clauses bar the seller from recruiting the company’s employees or poaching its customers for a defined period after closing. They tend to be less controversial because they are narrower. The FTC’s attempt to ban most non-competes nationwide was struck down by a federal court and formally removed from federal regulations, so these covenants remain governed by state law.5Federal Trade Commission. Noncompete Rule In a genuine business sale, enforceability is rarely the sticking point; the negotiation is about how long the restriction lasts and how far it reaches.
Governing Law, Forum, and Specific Performance
Every definitive agreement identifies which state’s law governs and where disputes will be heard. The governing law clause determines the legal standards used to interpret the contract, including how representations are read, when breaches are measured, and what remedies are available. Delaware and New York law are frequently chosen because both states have well-developed M&A case law.
The forum selection clause determines where a lawsuit gets filed. A mandatory clause naming an exclusive jurisdiction prevents forum shopping. A permissive clause that says each party “consents” to jurisdiction in a state may not stop the other side from filing elsewhere. Courts look for explicit language like “exclusive” or “shall” before treating a forum clause as mandatory.
Most agreements also include a specific performance provision, giving each party the right to ask a court to force the other side to close rather than only paying damages. In ordinary contract disputes, money damages are the default and specific performance is available only when damages would be inadequate. M&A parties typically agree up front that specific performance is available, and courts honor that agreement. The provision matters most when a seller tries to back out for a higher offer, or when a buyer with committed financing refuses to close. Without it, the non-breaching party may be limited to collecting a breakup fee rather than forcing the deal to completion.