Skip to content
// WORKED EXAMPLEHOW THE CLAUSE WORKS

Clean-Up Period: What It Covers After an Acquisition

The buyer owns the problems from day one. The defaults wait.

BY MICHAEL SHANG · SIXTEEN YEARS IN COMMERCIAL BANKING · UPDATED

// THE SHORT ANSWER

A clean-up period solves a buyer's practical problem. On the day an acquisition completes, the buyer's loan starts to speak for a company the buyer has so far seen only from the outside. If the target turns out to have an undisclosed security interest, a lease that needed consent, or a payroll error, the facility's representations are untrue from the first day. The clean-up period gives the buyer an agreed stretch of time to find and fix such things before they can count as defaults, while the lender keeps its full rights over anything serious, anything the buyer's group itself caused, and anything still unfixed when the time runs out.

BASIS  Practitioner judgment from sixteen years in commercial banking, set out in How Bankers Think (Highbank Press, 2026). Every borrower on this site is a composite constructed for teaching, not a client. The market is mid-market commercial lending as practised in New Zealand and Australia; where a convention differs elsewhere, the page says so.

// MAKE THE CALL

Issue 04 — Highview Industries. Same request as Issue 01 on the surface. A completely different file underneath. Your call first, then the senior banker's.

Read the file →

// 01 — WHY AN ACQUISITION NEEDS A GRACE WINDOW

Due diligence is a reading of what the seller shows. It cannot see everything: a security registration under another name, a contract with an unusual consent clause, a liability nobody has quantified. Before completion the buyer has no right to fix any of it, because it does not yet control the target. After completion it does, but by then the target has usually joined the borrower group, given guarantees and security, and become subject to the facility's representations and undertakings.

Without a clean-up period, the lender could call a default in the first week over a problem the buyer inherited and is already fixing. That would make the acquisition loan unworkable, and no buyer would sign it. The clause trades a short delay in the lender's rights for a borrower group that is put right properly.

// 02 — HOW THE CLAUSE IS WRITTEN

The working parts recur across agreements, though every one is negotiated. The window runs to a defined number of days after completion, and some agreements start it at signing; filed agreements show windows from about 60 to 180 days after completion. Its scope is limited to matters relating to the target and its subsidiaries: the representations they would breach, the undertakings they would fail, the events of default they would trigger. The buyer's existing group is outside it.

The shelter is conditional. The matter must be capable of being put right within the window, steps to put it right must be under way, the buyer's group must not have caused or approved it, and it must not have, or be reasonably likely to have, a material adverse effect. If the matter is still continuing when the window closes, the agreement treats the default as occurring at that moment. Some leveraged facilities give a fresh window for each later acquisition that the agreement permits, of the same length or shorter.

// 03 — THE EXAMPLE

A veterinary group, constructed for this page like every figure in it, buys a rival with nine clinics, funded by an acquisition term loan from its bank. Its facility gives a 120-day clean-up period; the length is the example's, not a market norm. The rival's companies accede as guarantors and grant security as soon as the law allows: in Australia, for example, a target guaranteeing its buyer's acquisition debt is giving financial assistance, which needs shareholder approval and notice to ASIC first.

Day 0 Completion. Window opens
Day 18 Register search finds an equipment financier's security over all
the target's assets: breaches the no-other-security representation
Day 21 Target companies accede as guarantors and grant security
Day 40 Three clinic leases needed landlord consent to a change of control;
none was sought: breaches the no-default-under-contracts representation
Day 55 Payroll review finds underpaid holiday pay, about US$0.6m:
breaches the compliance-with-laws representation
Day 64 Equipment loan of US$0.8m repaid; registration discharged
Day 101 Two landlords consent; the third signs a new lease
Day 115 Back pay settled with staff
Day 120 Window closes. Nothing continuing; no default ever arose

Each problem was real, and each would have been a default from completion. Each was capable of remedy, was being remedied, came from the target rather than the buyer, and was not large enough to threaten the group. Had the third landlord refused and the clinic been forced to close, the buyer would have needed the bank's waiver before the window closed. And had the holiday-pay review shown a liability large enough to threaten the group, the material adverse effect condition would have taken it outside the shelter from the start.

// 04 — HOW IT DIFFERS FROM A CURE PERIOD AND CERTAIN FUNDS

A cure period is part of most events of default clauses: a short grace, often counted from when the borrower knew or was told of the breach, for a failure capable of remedy. It applies to any breach at any time. A clean-up period runs from a fixed date, covers only the acquired companies, and shelters breaches that may have existed before anyone knew of them. A file can use both, one after the other.

Certain funds is the protection before completion: it limits the lender's reasons to refuse to fund the purchase. The clean-up period is the protection after: it limits the lender's reasons to call a default over what was bought. Known problems are treated differently again, usually as conditions subsequent: named tasks with their own deadlines.

DEFINED IN ONE PARAGRAPH → · EVENT OF DEFAULT → · CORPORATE LENDING AND CREDIT RISK →

// 05 — WHERE IT DECIDES A FILE

A lender agrees to a clean-up period because the alternative is a buyer that will not sign. What it controls is the shape. The diligence it relies on decides what can be treated as known and turned into conditions subsequent, leaving the clean-up for genuine surprises. The length is argued against how long the target's problems could plausibly take to fix, rather than carried over from the last deal. And the material adverse effect condition is the lender's assurance that a surprise large enough to change the credit is not sheltered at all.

For the borrower, the window is a project plan. The register searches, the contract review, the payroll audit and the consents all need doing in the first weeks, because anything still open at the end becomes a default on that day. A buyer that reports progress to the bank as it goes makes a waiver easier to ask for if one item runs late.

// QUESTIONS PEOPLE ASK

How long is a clean-up period?
As long as the facility agreement says. Windows of 90 or 120 days after completion are often seen, and filed agreements show periods from about 60 to 180 days, sometimes with a longer one for a public takeover than for a private purchase. The length is negotiated against the size and complexity of the target. Where later acquisitions are permitted, each may get its own window, of the same length or shorter.
What happens when the clean-up period ends?
Anything sheltered that is still continuing becomes a default at once, as if it had occurred on the last day of the window. From then the lender has its ordinary rights over it. In practice a buyer with an item still open asks for a waiver or an extension before the window closes, explaining what remains and how long it will take. A lender is more likely to agree when it has seen the progress along the way.
Does a clean-up period cover the buyer's own business?
No. It shelters breaches that relate to the acquired companies and arise from their state at completion. The buyer's existing group remains subject to every representation and undertaking as before, and a breach caused or approved by the buyer's group is excluded even if it sits in the target. The aim is to protect the buyer from inherited problems, not from its own.
Who benefits from a clean-up period, the buyer or the lender?
Both, though the buyer more directly. The buyer gets time to put the target right without the risk of an early default. The lender gets a borrower group that is fixed properly rather than in a rush, and a defined date by which everything must be right. What the lender gives up is the right to act early on small inherited problems, which it would rarely have wanted to use.

THE IN-TRAY · ONE MINUTE

Make the call on one file.

A short file on the ground this page covers. Every option opens with how far it sits from a senior banker’s read.

THE NUMBER · THE LOAN · PROTECTION

A company fails. One lender is secured over the plant; the other is unsecured. The receiver's realisations, after costs, are below. There are no preferential claims.

Secured lender owed
US$10m
Unsecured lender owed
US$5m
Realised from the plant
US$9m
Realised from everything else
US$2m

What does the unsecured lender recover?

1 FILES · PICK A CALL ON ANY OF THEM

7 MORE ON THE LOAN · PROTECTION →WHERE DO YOU READ FROM? THE PLACEMENT →