Question 1

What is substantial failure to perform in Florida contract law?

Accepted Answer

Substantial failure to perform is the legal standard for material breach: the breaching party has failed to perform a substantial portion of their contractual obligations. Florida courts look at: the percentage of the contract that has been performed (if 90% has been performed, the remaining 10% may be a minor breach, not material), the importance of the unperformed obligation (even a small obligation can be material if it goes to the essence of the contract), the likelihood of cure (if the breach can be easily cured, it may be deemed minor), and the impact on the non-breaching party (if the breach substantially deprives the non-breaching party of the benefit of the bargain, it is material).

Question 2

What is the doctrine of substantial performance in Florida?

Accepted Answer

Substantial performance: this doctrine provides that if a party has substantially performed their obligations (even if not perfectly), the other party cannot treat the minor deficiency as a material breach. Requirements: the performing party must have acted in good faith (not willfully or negligently), the performance must be substantially complete (typically 90-95%), and the deficiencies must be minor and correctable. If substantial performance is found: the non-breaching party must continue to perform (they cannot terminate), but can deduct damages caused by the minor deficiencies. Common in construction contracts: if a contractor has substantially completed a project but has minor punch list items, the owner cannot refuse to pay; the owner must pay the contract price minus the cost of completing the punch list items.

Question 3

How is substantial failure to perform proven in Florida?

Accepted Answer

Proof: the party alleging material breach must prove: the existence of a valid contract, the specific obligations that were not performed, that the unperformed obligations were substantial (not minor), that the breach was not excused (by the other party’s prior breach, impossibility, or frustration of purpose), and the damages caused by the breach. Evidence may include: the contract itself (identifying the breached obligations), communications between the parties (showing notice of the breach and any cure attempts), expert testimony (in construction cases, an expert can testify about the percentage of completion and the cost to cure deficiencies), and financial records (showing the monetary impact of the breach).

Material Breach Substantial Failure Perform

Substantial Failure to Perform in Florida

Material vs. Minor

Substantial Performance Doctrine

Proof Requirements

Related Terms

Barnes Walker Contract Law

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