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6.1 Conditions: Express, Constructive & Excuse
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1 Introduction & FYLSE Examination Guide
1.1 FYLSE Exam Structure, Passing Standard & Administration 1.2 Study Method, Pacing & MBE-Style Technique
2 Contracts: Mutual Assent, Capacity & Contract Formation
2.1 The Offer & Objective Theory of Assent 2.2 Termination & Irrevocability of Offers 2.3 Acceptance & the Mailbox Rule 2.4 Mirror Image Rule & UCC 2-207 Battle of the Forms 2.5 Mistake in Contract Formation 2.6 Fraud, Duress, Undue Influence & Illegality 2.7 Capacity to Contract
3 Contracts: Consideration, Estoppel & Implied Obligations
3.1 Consideration & the Bargained-For Exchange 3.2 Past & Moral Consideration, Pre-Existing Duty & Modification 3.3 Promissory Estoppel & Detrimental Reliance 3.4 Implied-in-Fact Contracts & Quasi-Contract 3.5 Implied Covenant of Good Faith, Fair Dealing & Indefinite Terms
4 Contracts: Third-Party Beneficiaries, Assignment & Delegation
4.1 Third-Party Beneficiary Contracts 4.2 Assignment of Rights 4.3 Delegation of Duties
5 Contracts: Statute of Frauds, Parol Evidence & Interpretation
5.1 Statute of Frauds: Contracts Within the Statute 5.2 Satisfying the Statute: Writing, Signature & Exceptions 5.3 The Parol Evidence Rule 5.4 Contract Interpretation & Canons of Construction
6 Contracts: Performance, Conditions, UCC Warranties & Breach
6.1 Conditions: Express, Constructive & Excuse 6.2 Substantial Performance vs. Perfect Tender 6.3 Cure, Rejection, Revocation & Installment Contracts 6.4 UCC Article 2 Warranties & Risk of Loss 6.5 Anticipatory Repudiation & Insecurity
7 Contracts: Remedies, Discharge & Changed Circumstances
7.1 Expectation Damages & Their Limitations 7.2 Reliance, Restitution & Liquidated Damages 7.3 Specific Performance & Injunctive Relief 7.4 UCC Article 2 Buyer's and Seller's Remedies 7.5 Impossibility, Impracticability & Frustration of Purpose 7.6 Discharge by Agreement: Rescission, Novation & Accord and Satisfaction
8 Criminal Law: Principles of Criminal Liability & Mens Rea
8.1 Actus Reus, Voluntary Acts & Omissions 8.2 Criminal Causation & Intervening Causes 8.3 Common Law & Model Penal Code Mens Rea 8.4 Mistake of Fact, Mistake of Law & Concurrence
9 Criminal Law: Inchoate Offenses & Accomplice Liability
9.1 Criminal Attempt & Impossibility 9.2 Solicitation & the Merger Doctrine 9.3 Conspiracy & Merger Doctrine 9.4 Accomplice Liability: Actus Reus & Mens Rea 9.5 Scope of Accomplice Liability, Withdrawal & Parties to Crime
10 Criminal Law: Homicide & Crimes Against the Person
10.1 Common Law Murder & Malice Aforethought 10.2 Degrees of Murder, Premeditation & Deliberation 10.3 The Felony Murder Rule & Its Limitations 10.4 Voluntary & Involuntary Manslaughter 10.5 Non-Homicide Crimes Against the Person
11 Criminal Law: Property Crimes, Theft & Habitation
11.1 Common Law Larceny 11.2 Embezzlement & False Pretenses 11.3 Robbery & Extortion 11.4 Receiving Stolen Property 11.5 Burglary 11.6 Arson
12 Criminal Law: Defenses: Capacity, Justification & Excuse
12.1 Insanity: The Four Legal Tests 12.2 Intoxication, Diminished Capacity & Infancy 12.3 Self-Defense & Defense of Others 12.4 Defense of Property, Habitation & Law Enforcement Privileges 12.5 Duress & Necessity 12.6 Entrapment & Mistake as an Excuse
13 Torts: Intentional Torts to Persons & Property
13.1 Intent, Motive & Incapacity in Intentional Torts 13.2 Transferred Intent 13.3 Battery & Assault 13.4 False Imprisonment 13.5 Trespass to Land 13.6 Trespass to Chattels & Conversion
14 Torts: Privileges & Defenses to Intentional Torts
14.1 Consent: Express, Implied & Capacity 14.2 Exceeding & Vitiating Consent 14.3 Self-Defense & Defense of Others (Tort) 14.4 Defense of Property & Recapture of Chattels 14.5 Public & Private Necessity 14.6 The Shopkeeper's Privilege
15 Torts: Negligence — Duty of Care & Breach
15.1 Duty of Care & the Foreseeable Plaintiff 15.2 Affirmative Duties to Act & Special Relationships 15.3 Standard of Care: The Reasonable Person & Children 15.4 Professional Negligence, Informed Consent & Negligence Per Se 15.5 Land Possessor Liability & Premises Duties 15.6 Breach of Duty & Res Ipsa Loquitur
16 Torts: Causation, Defenses, Multiple Tortfeasors, Wrongful Death & Damages
16.1 Cause in Fact & Multiple Actors 16.2 Proximate Cause & Intervening Forces 16.3 Contributory, Comparative Negligence & Assumption of Risk 16.4 Joint and Several Liability, Contribution & Indemnity 16.5 Vicarious Liability & Non-Delegable Duties 16.6 Wrongful Death & Survival Actions 16.7 Statute of Limitations & Claim Accrual 16.8 Tort Damages: Compensatory, Nominal, Punitive & Mitigation
17 Torts: Strict Liability & Products Liability
17.1 Strict Liability for Animals 17.2 Abnormally Dangerous Activities & Scope of Risk 17.3 Strict Products Liability & Defect Categories 17.4 Products Liability Under Negligence, Warranty & Misrepresentation 17.5 Defenses to Products Liability
18 Torts: Emotional Distress, Defamation, Privacy & Economic Torts
18.1 Intentional Infliction of Emotional Distress 18.2 Negligent Infliction of Emotional Distress 18.3 Common Law Defamation: Elements, Libel & Slander 18.4 Constitutional Limits, Privileges & Defenses to Defamation 18.5 Invasion of Privacy 18.6 Nuisance & Economic Torts
6.1 Conditions: Express, Constructive & Excuse
Key Takeaways Explain This Topic AI
A condition is an event, not certain to occur, that must occur (unless excused) before performance under a contract becomes due (Restatement (Second) of Contracts § 224).
Express conditions require strict, literal compliance; failure of an express condition discharges the conditional duty without liability, whereas breach of a promise creates liability for damages.
Under the preference for promises doctrine (Restatement § 227), ambiguous contractual language is construed as a covenant/promise rather than an express condition to avoid forfeiture.
Satisfaction conditions are governed by an objective reasonable person standard for commercial fitness, operability, and mechanical utility, but by a subjective honest dissatisfaction standard for personal taste, fancy, and aesthetics.
Non-occurrence of a condition is legally excused through wrongful prevention or hindrance, voluntary waiver, estoppel, extreme disproportionate forfeiture, or objective impossibility.
Last updated: September 2026
Conditions: Express, Constructive & Excuse
Doctrinal Foundation: In contract law, the duties of the parties to perform may be absolute or conditional. An absolute duty is unconditional; failure to perform immediately constitutes a breach. A conditional duty, by contrast, is dependent upon the occurrence or non-occurrence of an uncertain future event. Under Restatement (Second) of Contracts § 224 , a condition is defined as "an event, not certain to occur, which must occur, unless its non-occurrence is excused, before performance under a contract becomes due." Mastery of conditions is critical for the FYLSE because mischaracterizing a term as a promise rather than a condition—or vice versa—completely alters the legal remedies and defenses available to the parties.
I. Conditions vs. Promises: The Fundamental Distinction
On the FYLSE, candidates must immediately distinguish between a promise (covenant) and a condition . Confusing these concepts is one of the most common analytical errors on the exam. ┌──────────────────────────────────────┐
- │ Contractual Commitments │
- └──────────────────┬───────────────────┘
- │
- ┌──────────────────────────┴──────────────────────────┐
- ▼ ▼
- [Promise / Covenant] [Express Condition]
- Commitment to act or refrain - Event triggering or discharging duty
- Words: "promises", "agrees", "shall" - Words: "if", "provided that", "subject to"
- Breach yields damages - Non-occurrence discharges duty
- Does not excuse other party unless material - Strictly enforced; no damages unless promissory
- 1. Promise (Covenant)
Definition: A manifestation of intention to act or refrain from acting in a specified way, made so as to justify a promisee in understanding that a commitment has been made.
Linguistic Markers: Phrases such as "Buyer covenants," "Contractor agrees to," "Party A shall," "Vendor undertakes."
Legal Consequence of Breach: The failure to perform a promise is a breach of contract . It gives rise to a cause of action for damages. However, breach of a promise does not automatically excuse the other party's reciprocal performance unless the breach is material.
2. Condition
Definition: An operative fact or event (other than the mere lapse of time) that activates, suspends, or extinguishes a legal duty of performance.
Linguistic Markers: Express conditional language includes "if," "provided that," "on condition that," "subject to," "in the event that," "contingent upon."
Legal Consequence of Non-Occurrence: If a condition fails to occur, the conditional duty does not arise or is discharged . Non-occurrence is not a breach of contract and does not support an action for damages, unless the party also promised that the condition would occur.
3. Promissory Condition
Definition: A contractual term that operates as both a promise and a condition . The promisor covenants that an event will occur, and the promisee's return duty is expressly conditioned upon that occurrence.
Example: In a commercial purchase agreement: "Buyer covenants to obtain an irrevocable loan commitment by June 1, and Seller's obligation to convey title is expressly conditioned upon Buyer obtaining such commitment."
Legal Consequence: If the event fails to occur, the conditional duty of the other party is discharged, and the failing party is liable for damages for breach of promise.
4. Preference for Promises (The Presumption Against Conditions)
Because the non-occurrence of an express condition results in the strict forfeiture of the obligor's contractual rights without compensation, courts follow a strong interpretive presumption: In cases of doubt, contractual language is construed as a promise rather than an express condition (Restatement (Second) of Contracts § 227(1)).
Important
The Forfeiture Avoidance Rule on the FYLSE: If an agreement uses ambiguous phrasing such as "Contractor will install the roof, it being understood that Owner pays when the loan funds," courts interpret the funding of the loan not as an express condition precedent to payment, but as a timing mechanism fixing a convenient time for payment. If the loan never funds through no fault of either party, Owner remains legally obligated to pay within a reasonable time.
II. Classifications of Conditions: Source and Timing
Conditions are classified according to how they are created (source) and when they operate in relation to contractual duties (timing).
Source Classifications
Classification Source & Nature Standard of Compliance Effect of Non-Occurrence
Express Condition Explicitly agreed to and drafted by the parties using conditional language. Strict, literal compliance required. Substantial performance does not apply. Discharges the conditional duty entirely; forfeits right to return performance.
Constructive Condition (Implied-in-Law) Imposed by the courts to regulate the order of performance and prevent injustice ( Kingston v. Preston ). Substantial performance is sufficient. Minor breach does not excuse; material breach suspends or discharges return duty.
Implied-in-Fact Condition Inferred from the conduct, course of dealing, or nature of the transaction. Reasonable or substantial compliance depending on context. Suspends or excuses dependent performance.
- Timing Classifications (Precedent, Concurrent, Subsequent)
- 1. Condition Precedent
Rule: An event that must occur before a party's duty of performance becomes immediate and operative.
Procedural / Evidentiary Rule: The plaintiff bears the burden of pleading and proving the occurrence (or excuse) of all conditions precedent to establish the defendant's breach.
Example: An insurance policy stating: "The insured must submit a sworn proof of loss within 60 days before the insurer is obligated to pay benefits."
2. Condition Concurrent
Rule: Mutual, dependent conditions that are capable of simultaneous performance and are agreed to be performed at the same time.
Tender Requirement: Neither party is in breach until the other party tenders (offers and demonstrates present ability to execute) performance. Tender by one party is a condition precedent to the other party's duty to perform.
Example: The standard real estate closing: Delivery of the deed by the seller and payment of the purchase price by the buyer are concurrent conditions.
3. Condition Subsequent
Rule: A rare event whose occurrence terminates or discharges an already existing, operative legal duty of performance.
Procedural / Evidentiary Rule: The defendant bears the burden of pleading and proving the occurrence of a condition subsequent as an affirmative defense.
Example: A commercial liability contract stating: "Insurer is immediately obligated to defend and indemnify the insured upon an occurrence; provided, however, that Insurer's obligation shall terminate if Insured fails to file a formal action within 12 months after claim denial."
III. Satisfaction Conditions: Objective vs. Subjective Standards
Contracts frequently make a party's payment obligation conditioned upon that party's—or an independent third party's—"satisfaction" with the performance. The legal standard applied depends on the subject matter of the contract: ┌──────────────────────────────────────┐
- │ Standards for Satisfaction Clauses │
- └──────────────────┬───────────────────┘
- │
- ┌─────────────────────────┴─────────────────────────┐
- ▼ ▼
- [Objective Standard] [Subjective Standard]
- Commercial utility, fitness, construction - Personal taste, fancy, aesthetics, art
- "Reasonable Person" test - "Honest / Good Faith Dissatisfaction"
- Operates if reasonable person satisfied - Genuine dissatisfaction excuses duty
- Dissatisfaction must be reasonable - Unreasonable dissatisfaction allowed if honest
- 1. The Objective Standard (Commercial Utility, Fitness, Construction)
Applicability: Applies to contracts involving mechanical utility, operational fitness, structural integrity, or commercial value (e.g., manufacturing machinery, installing HVAC units, constructing a warehouse, paving a parking lot).
Test: The condition is met if a reasonable person in the obligor's position would be satisfied . If the performance conforms to standard commercial specifications, the obligor cannot withhold payment, even if they subjectively claim dissatisfaction.
2. The Subjective Standard (Personal Taste, Fancy, Art, Aesthetics)
Applicability: Applies to contracts involving personal taste, individualized artistic judgment, or personal comfort (e.g., painting a portrait, tailoring custom clothing, composing a musical score, sculpting a monument).
Test: The obligor's personal, subjective satisfaction is required. The court will not inquire whether a reasonable person would be satisfied.
Limitation (Good Faith Requirement): The obligor's dissatisfaction must be honest and in good faith . If the obligor is actually satisfied but asserts dissatisfaction as a pretext to escape a bad bargain, the condition is excused, and the obligor is in breach.
3. Third-Party Satisfaction (Architect / Engineer Certificates)
In construction contracts, owner payments are routinely conditioned upon obtaining a certificate of completion from an independent architect or engineer.
Rule: The condition is strictly enforced. The owner's duty to pay does not arise without the certificate.
Excuse: The requirement of an architect's certificate is excused if the architect refuses the certificate due to fraud, collusion with the owner, bad faith, gross mistake, or failure to exercise honest judgment .
IV. Doctrines Excusing the Non-Occurrence of Conditions
Where an express condition has failed to occur, a party seeking to enforce the contract may overcome the defense by demonstrating that the condition was legally excused. Five primary doctrines excuse conditions:
1. Wrongful Prevention or Hindrance (Doctrine of Prevention)
Rule: Under Restatement (Second) of Contracts § 245 , if a party whose duty is subject to a condition wrongfully prevents, hinders, or substantially interferes with the occurrence of that condition, the condition is excused , and the party's duty of performance becomes absolute.
Underlying Principle: Every contract contains an implied covenant of good faith and fair dealing, requiring neither party to do anything that will destroy or injure the right of the other party to receive the fruits of the contract.
Classic Exam Scenario: A buyer signs a purchase contract conditioned upon securing a 6% mortgage loan by July 1. The buyer never submits a loan application, refuses to furnish financial records to prospective lenders, and lets the deadline pass. The condition of obtaining financing is excused by the buyer's wrongful prevention, and the buyer is obligated to close or pay damages.
2. Voluntary Waiver
Rule: A waiver is the voluntary, intentional relinquishment of a known legal right. A party whose duty is subject to a condition may waive that condition by express words or conduct indicating they will not insist on its occurrence.
Executory Waiver vs. Retraction:
If the condition is waived after the time for its occurrence has passed, the waiver is permanent and cannot be retracted.
If the condition is waived before the time for its occurrence (an executory waiver), the waiving party may retract the waiver and reinstate the condition by giving reasonable notice to the other party, provided the other party has not materially changed their position in reliance on the waiver (Restatement (Second) of Contracts § 84).
Limitation: A party may waive a condition inserted solely for their own benefit, but cannot waive a condition that forms a material part of the agreed exchange without separate consideration.
3. Estoppel
Rule: When a party by words or conduct represents that they will not insist upon strict compliance with a condition, and the other party reasonably and foreseeably changes their position in detrimental reliance on that representation, the party is equitably estopped from enforcing the condition.
4. Avoidance of Disproportionate Forfeiture (Restatement § 229)
Rule: To the extent that the non-occurrence of a condition would cause extreme and disproportionate forfeiture , a court may excuse the non-occurrence of that condition, unless its occurrence was a material part of the agreed exchange .
Application: Typically applied to technical notice provisions, filing deadlines, or minor documentation requirements where the obligee has substantially completed the primary work and the obligor suffered no prejudice from the technical omission.
5. Impossibility or Impracticability
Rule: If the occurrence of a condition becomes objectively impossible or commercially impracticable due to an unanticipated supervening event (e.g., death of a named third-party appraiser, destruction of the subject matter), the condition is excused, provided the condition was not a material, indispensable part of the agreed exchange.