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  1. Aug 30, 2026

    The Five Purchase and Sale Agreement Clauses That Decide Who Eats a Surprise at Closing

A surprise on a commercial deal is not a question of luck. It is a question of drafting. The purchase and sale agreement already decided who pays for the leaking roof, the mis-stated rent roll, the fire two weeks before closing, and the tax bill that lands after the wire clears. Buyers negotiate price for weeks and skim the five clauses that actually allocate that risk. The price sets what you pay if nothing goes wrong. These clauses set what you pay when something does, and something usually does.

Key Takeaways

  • The survival clause and its liability cap decide whether a breach discovered after closing is the seller's problem or yours. Post-closing survival periods commonly run six months to two years, longer periods favoring the buyer, per Thomson Reuters.

  • The due diligence period plus the deposit structure decide whether a bad discovery costs you nothing or costs you your earnest money. Once the deposit goes hard, the risk of a walkaway shifts fully to the buyer.

  • A casualty or condemnation between signing and closing is allocated by a threshold clause, commonly framed as a percentage of the allocated purchase price, per Law Insider clause data.

  • Proration and adjustment language decides who absorbs taxes, rents, and operating costs that straddle the closing date, and small drafting choices there move real dollars.

  • Read the survival cap, the deposit trigger, the casualty threshold, and the proration method before you argue about price. Price is the number if nothing breaks. These clauses are the number when it does.

What Do Representations, Warranties, and the Survival Clause Actually Shift?

Representations and warranties are the seller's sworn statements about the property, and the survival clause sets how long you can sue on them after closing. A breach found inside the survival window with a claim above the basket is the seller's cost. A breach found after it expires is yours, no matter how real the loss.

The survival period is the hinge. Per Thomson Reuters guidance on negotiating these agreements, representations, indemnification, and confidentiality provisions typically carry a designated survival period of roughly six months to two years, with the longer end favoring the buyer who wants more time to discover latent problems. Once that window closes, the representation is gone. A rent roll that overstated in-place income, a lease that was not actually estoppel-confirmed, an undisclosed side letter: if you find it in month fourteen and the reps survived twelve, the seller owes you nothing.

Two limiters ride alongside the survival period and matter as much as its length. As Thompson Coburn and other transactional firms describe, sellers negotiate a cap, the ceiling on total post-closing liability, and a floor or basket, a minimum claim size below which the buyer cannot recover at all. Lagerlof and other firms note that buyers routinely fight to carve specific exposures, environmental cleanup or known active litigation, out from under the cap entirely. A representation with a short survival period, a low cap, and a high basket is a representation that shifts almost nothing. It reads like protection and functions like a formality.

The quotable rule for operators: a representation is only as strong as the shortest of its survival period, its cap, and its basket, and sellers draft all three to be short.

Worked Example: The Rep That Expired Before the Loss Surfaced

Take a $10,000,000 acquisition. The seller represents that the rent roll is accurate. The purchase and sale agreement sets a 12-month survival period, a liability cap of 2 percent of price, and a basket of 0.5 percent.

Term

Value on this deal

Purchase price

$10,000,000

Survival period

12 months

Liability cap (2%)

$200,000

Basket / floor (0.5%)

$50,000

Fourteen months after closing, an audit shows two leases were terminated before closing and never disclosed, a real income loss of $600,000 in lost rent and re-leasing cost. The buyer has three problems. The claim surfaced in month fourteen, so the survival window is already closed and the representation is dead. Even had it surfaced in month ten, recovery would have been capped at $200,000, one third of the actual loss. And any claim under $50,000 would have been barred entirely by the basket. The buyer eats $600,000 on a $10,000,000 deal because of three numbers negotiated in an afternoon. The price was never the exposure. The survival clause was.

How Do the Due Diligence Period and Deposit Decide Who Eats a Bad Discovery?

The due diligence period is the window in which a buyer can investigate and walk away with the deposit refunded. The deposit structure decides what happens after it. Once the deposit goes hard, meaning nonrefundable, the buyer owns the risk of every problem found from that moment to closing.

These two clauses work as a pair. During the diligence or contingency period, a buyer inspects title, survey, environmental, leases, and physical condition, and can terminate for any reason or none. Diligence periods on commercial deals typically run in the range of 30 to 90 days depending on asset complexity and market conditions. Earnest money deposits typically fall in the range of 1 to 5 percent of purchase price, held in escrow. The moment the diligence period ends, the contract usually flips the deposit from refundable to hard, and the calculus inverts.

Before the deposit goes hard, a bad discovery costs the buyer nothing but time. After it goes hard, the same discovery costs the buyer the deposit if they walk. On a $10,000,000 deal with a 3 percent deposit, that is $300,000 at risk on any problem that would previously have been a clean exit. This is why sophisticated sellers push for short diligence periods and early hard money, and why buyers who accept a compressed window without finishing their due diligence are accepting risk they have not priced. The estoppel review is a frequent casualty of a rushed timeline, and a lease that does not match the rent roll is exactly the surprise this clause exists to surface. What buyers should verify in an estoppel certificate is the kind of item that must clear before the deposit hardens, not after.

Who Bears the Loss in a Casualty or Condemnation Before Closing?

A casualty, fire, storm, or flood, or a condemnation, a government taking, between signing and closing is allocated by a threshold clause. Below the threshold, the buyer usually must still close, taking an assignment of insurance proceeds or a credit. Above it, the buyer typically gets the right to terminate or renegotiate.

Signing and closing can be months apart, and the building is exposed the whole time. The purchase and sale agreement resolves the gap with a materiality threshold. Per Law Insider clause data, the casualty and condemnation threshold is commonly defined as a percentage of the allocated purchase price of the affected asset, with 15 percent appearing frequently as the dividing line. If estimated repair cost or the value of the taking falls below that figure, the buyer proceeds and the deal economics absorb it through insurance proceeds and a deductible credit. Above it, termination rights or a price adjustment open up.

The drafting details decide the real exposure. Who controls the repair estimate, whether rent loss and business interruption proceeds pass to the buyer, and whether a partial condemnation of parking or access counts as material: each of those choices determines whether a mid-contract disaster is the seller's problem or a surprise the buyer inherits at the closing table.

Why Do Prorations and Closing Adjustments Cause Disputes?

Prorations split the property's ongoing costs and income at the closing date so each side pays for its own period of ownership. The seller covers everything through the closing date, the buyer everything after. Disputes arise because the method, the estimate, and the true-up language are often vague, and small differences move real dollars on a large asset.

Taxes are the common flashpoint. The standard mechanic, described by title and settlement practitioners, divides the annual tax bill by 365 to get a daily rate, then charges each party for the days it owned the property. The trap is that the bill is often not final at closing. If the parties prorate on the prior year's taxes and the new assessment jumps, someone eats the difference, and whether the contract calls for a post-closing re-proration true-up decides who. The same logic runs through prepaid rent, unpaid CAM, security deposits, and tenant reimbursements.

A worked illustration shows the stakes. On a property with a $240,000 annual tax bill, the daily rate is about $657. If closing occurs on day 200 of the tax year, the seller owes roughly $131,400 for its 200 days and the buyer covers the balance. If the parties prorated on last year's $200,000 bill and the assessment then reset to $240,000, the $40,000 gap lands on whoever the true-up clause names, or on the buyer by default if the contract is silent. A single sentence about re-proration is the difference between a shared adjustment and a surprise. This is diligence-grade risk, on the same footing as the exceptions buyers miss in title insurance.

Frequently Asked Questions

What is the most important clause to negotiate in a purchase and sale agreement?

There is no single most important clause, but the survival clause and its liability cap are the most commonly underweighted. They decide whether a breach found after closing is recoverable or absorbed, and sellers draft the period, cap, and basket to be as narrow as the buyer will accept.

When does earnest money become nonrefundable?

Typically at the end of the due diligence or contingency period, when the deposit "goes hard." Before that point a buyer can usually terminate and recover it. After it, walking away generally forfeits the deposit, which commonly runs in the range of 1 to 5 percent of purchase price.

Who pays for property damage that happens before closing?

The casualty and condemnation clause decides. Below a stated threshold, often a percentage of the allocated purchase price, the buyer usually must still close and take insurance proceeds or a credit. Above it, the buyer typically gains the right to terminate or renegotiate.

How are property taxes handled at closing?

They are prorated. The seller pays for the portion of the tax year it owned the property, the buyer for the rest, commonly calculated on a daily rate from the annual bill. If the final assessment is not yet set, a re-proration or true-up clause determines who covers any difference.

Conclusion

Price is the headline, but the purchase and sale agreement is where the deal is actually built, and five clauses inside it decide who absorbs a surprise. The survival period and its cap govern breaches found after closing. The due diligence window and the deposit trigger govern discoveries before it. The casualty threshold governs the building itself between signing and closing. The proration language governs the costs that straddle the date. An operator who negotiates price to the decimal and accepts these five as boilerplate has negotiated the number for a deal that goes right and ignored the number for the deal that goes wrong. The second number is the one that ends up on your settlement statement.

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