Breach of Contract Letter - Notify the Other Party of a Breach
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Introduction
If you need to notify another party that they have failed to uphold their end of a legal agreement, you need a Breach of Contract Letter. Also known as a notice of breach or demand letter for breach of contract, this document formally informs the breaching party of their failure, cites the specific contract clauses violated, and demands a remedy. Sending this letter is often a required first step before you can take further legal action. Read our guide below to learn about the different types of contract breaches, what information your letter must contain to be legally effective, and the next steps if your demand is ignored.
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Key Things to Know
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A Breach of Contract Letter formally notifies a party that they have violated a legal agreement.
- 2
It clearly identifies the specific contract clause that has been breached.
- 3
The letter must demand a specific, actionable remedy to cure the breach.
- 4
A firm deadline for response is crucial to create urgency and a timeline for action.
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This letter serves as important evidence if legal action becomes necessary.
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Sending the letter via certified mail with a return receipt provides legal proof of delivery.
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Resolving a dispute with this letter can be far more cost-effective than proceeding directly to litigation.
Key Decisions
Identifying the Breach
The severity of the breach shapes the remedy you can demand. A material breach defeats the core purpose of the contract, a minor breach is a less serious deviation, and an anticipatory breach is when the other party signals in advance that they will not perform.
A material breach that defeats the contract's purpose
The most common basis for a demand letter. It entitles you to demand full performance or damages.
Most Common OptionA minor breach of a non-essential term
Used when the main purpose is still met but you were harmed by the deviation.
An anticipatory breach announced before performance was due
Used when the other party has clearly stated they will not perform.
A demand letter is stronger when it cites the exact clause that was broken and the facts that prove it. Reference the section number of the contract and attach supporting evidence such as emails, invoices, or photos.
Cite the specific contract clause and attach evidence
Recommended. Quoting the exact section and dates leaves no room for dispute.
Most Common OptionDescribe the breach in general terms
Used when the contract has no clear clause numbers, though specifics are always stronger.
Setting Your Demand
The remedy should be specific and actionable so the other party knows exactly what will resolve the dispute. Common demands are payment of a set amount, completing the promised work, or a refund.
Payment of a specific amount owed
The most common demand, used for unpaid invoices or damages.
Most Common OptionCompletion of the promised goods or services
Used when you still want the other party to perform the contract.
A refund of what you already paid
Used when performance is no longer possible or wanted.
A demand without a deadline is ineffective. A firm, reasonable timeframe creates urgency and sets a clear point for escalating the matter. A common window is 15 or 30 days from receipt of the letter.
15 days from receipt
A common, firm deadline for straightforward disputes.
Most Common Option30 days from receipt
Used for more complex matters or larger sums, giving reasonable time to respond.
A deadline set by the contract's notice-to-cure clause
Used when the contract specifies its own cure period, which controls.
Sending the Letter
How you deliver the letter matters for proof. Certified mail with a return receipt gives you evidence of delivery if the dispute later goes to court.
Certified mail with a return receipt
Recommended. It gives you proof the letter was sent and received.
Most Common OptionEmail plus a certified mail copy
Combines speed with a provable paper trail.
Email only
Fast, but harder to prove receipt if the matter escalates.
Breach of Contract Letter Requirements
Sender Information
The full name and address of the party sending the letter (the non-breaching party).
Recipient Information
The full name and address of the party who breached the contract (the breaching party).