Contract law |
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Part of the common law series |
Contract formation |
Defenses against formation |
Contract interpretation |
Excuses for non-performance |
Rights of third parties |
Breach of contract |
Remedies |
Quasi-contractual obligations |
Related areas of law |
Other common law areas |
The doctrine of impracticability in the common law of contracts excuses performance of a duty, where the said duty has become unfeasibly difficult or expensive for the party who was to perform.
Impracticability is similar in some respects to the doctrine of impossibility because it is triggered by the occurrence of a condition which prevents one party from fulfilling the contract. The major difference between the two doctrines is that while impossibility excuses performance where the contractual duty cannot physically be performed, the doctrine of impracticability comes into play where performance is still physically possible, but would be extremely burdensome for the party whose performance is due. Thus, impossibility is an objective condition, whereas impracticability is a subjective condition for a court to determine.
Typically, the test U.S. courts use for impracticability is as follows (with a few variations among different jurisdictions): [1]
Section 261 of the Restatement (Second) of Contracts does not explicitly define the scope of what is considered impracticable, as it is a fairly subjective and fact-intensive test for the courts. Generally, courts do not consider events such as an increase in price or costs beyond a normal range to allow for discharge of duties on grounds of impracticability, as such events are normally foreseeable risks of fixed-price contracts.
Section 2-615 of the Uniform Commercial Code deals with impracticability in the context of sales of goods, and introduces some additional constraints on the parties. A party whose ability to perform his obligations has only been partially affected must allocate production and delivery among his customers in a manner which is fair and reasonable, affording each of them with partial performance, and must notify all purchasers that there will be delay, partial delivery, or non-delivery. This is similar in some respects to the doctrine of general average in admiralty law.
According to note 4 under UCC 2–615, increased cost alone does not excuse performance unless the rise in cost is due to some unforeseen contingency which alters the nature of performance. It further explains that a change in market conditions resulting in a rise or drop in prices is not sufficient to claim impracticability because the parties assumed that risk when the contract was made. The comments indicate that contingencies such as war, embargo, crop failures, or a failure of a major source of supply that causes the market change or prevents a seller from obtaining supplies necessary for his performance would justify a claim of impracticability.
Negligence is a failure to exercise appropriate and/or ethical ruled care expected to be exercised amongst specified circumstances. The area of tort law known as negligence involves harm caused by failing to act as a form of carelessness possibly with extenuating circumstances. The core concept of negligence is that people should exercise reasonable care in their actions, by taking account of the potential harm that they might foreseeably cause to other people or property.
Mens rea is the mental element of a person's intention to commit a crime; or knowledge that one's action or lack of action would cause a crime to be committed. It is a necessary element of many crimes.
Consideration is the central concept in the common law of contracts and is required, in most cases, for a contract to be enforceable. Consideration is the price one pays for another's promise. It can take a number of forms: money, property, a promise, the doing of an act, or even refraining from doing an act. In broad terms, if one agrees to do something he was not otherwise legally obligated to do, it may be said that he has given consideration. For example, Jack agrees to sell his car to Jill for $100. Jill's payment of $100 is the consideration for Jack's promise to give Jill the car, and Jack's promise to give Jill the car is consideration for Jill's payment of $100.
The Incoterms or International Commercial Terms are a series of pre-defined commercial terms published by the International Chamber of Commerce (ICC) relating to international commercial law. They are widely used in international commercial transactions or procurement processes and their use is encouraged by trade councils, courts and international lawyers. A series of three-letter trade terms related to common contractual sales practices, the Incoterms rules are intended primarily to clearly communicate the tasks, costs, and risks associated with the global or international transportation and delivery of goods. Incoterms inform sales contracts defining respective obligations, costs, and risks involved in the delivery of goods from the seller to the buyer, but they do not themselves conclude a contract, determine the price payable, currency or credit terms, govern contract law or define where title to goods transfers.
In legal usage in the English-speaking world, an act of God is a natural hazard outside human control, such as an earthquake or tsunami, for which no person can be held responsible. An act of God may amount to an exception to liability in contracts or it may be an "insured peril" in an insurance policy. In Scots law the equivalent term is damnum fatale.
Force majeure is a common clause in contracts which essentially frees both parties from liability or obligation when an extraordinary event or circumstance beyond the control of the parties, such as a war, strike, riot, crime, epidemic or sudden legal changes prevents one or both parties from fulfilling their obligations under the contract. Explicitly excluded is any event described as an act of God, which covers a separate domain and legally differs, yet it is still related to contract law. In practice, most force majeure clauses do not excuse a party's non-performance entirely but only suspend it for the duration of the force majeure.
The capacity of natural and juridical persons, in general, determines whether they may make binding amendments to their rights, duties, and obligations, such as getting married or merging, entering into contracts, making gifts, or writing a valid will. Capacity is an aspect of status, and both are defined by a person's personal law:
A real estate contract is a contract between parties for the purchase and sale, exchange, or other conveyance of real estate. The sale of land is governed by the laws and practices of the jurisdiction in which the land is located. Real estate called leasehold estate is actually a rental of real property such as an apartment, and leases cover such rentals since they typically do not result in recordable deeds. Freehold conveyances of real estate are covered by real estate contracts, including conveying fee simple title, life estates, remainder estates, and freehold easements. Real estate contracts are typically bilateral contracts and should have the legal requirements specified by contract law in general and should also be in writing to be enforceable.
In contract law, impossibility is an excuse for the nonperformance of duties under a contract, based on a change in circumstances, the nonoccurrence of which was an underlying assumption of the contract, that makes performance of the contract literally impossible.
Emancipation of minors is a legal mechanism by which a child before attaining the age of majority is freed from control by their parents or guardians, and the parents or guardians are freed from any and all responsibility toward the child. Children before that age are normally considered legally incompetent to enter into contracts and to handle their own affairs. Emancipation overrides that presumption and allows emancipated children legally to make certain decisions on their own behalf.
Anticipatory repudiation or anticipatory breach is a term in the law of contracts that describes a declaration by the promising party to a contract that he or she does not intend to live up to his or her obligations under the contract. It is an exception to the general rule that a contract may not be considered breached until the time for performance.
Frustration of purpose, in law, is a defense to enforcement of a contract. Frustration of purpose occurs when an unforeseen event undermines a party's principal purpose for entering into a contract such that the performance of the contract is radically different from performance of the contract that was originally contemplated by both parties, and both parties knew of the principal purpose at the time the contract was made. Despite frequently arising as a result of government action, any third party or even nature can frustrate a contracting party's primary purpose for entering into the contract. The concept is also called commercial frustration.
Taylor v Caldwell is a landmark English contract law case, with an opinion delivered by Mr Justice Blackburn which established the doctrine of common law impossibility.
Insurance law is the practice of law surrounding insurance, including insurance policies and claims. It can be broadly broken into three categories - regulation of the business of insurance; regulation of the content of insurance policies, especially with regard to consumer policies; and regulation of claim handling wise.
English contract law is a body of law regulating contracts in England and Wales. With its roots in the lex mercatoria and the activism of the judiciary during the industrial revolution, it shares a heritage with countries across the Commonwealth, and to a lesser extent the United States. It has also experienced changes because of the UK's past membership of the European Union and current membership of international organisations like Unidroit. Any agreement that is enforceable in court is a contract. Because a contract is a voluntary obligation, in contrast to paying compensation for a tort and restitution to reverse unjust enrichment, English law places a high value on ensuring people have truly consented to the deals that bind them in court, so long as they comply with statutory and human rights.
A contract is a legally binding agreement that defines and governs the rights and duties between or among its parties. A contract is legally enforceable when it meets the requirements of applicable law. A contract typically involves the exchange of goods, services, money, or a promise of any of those. In the event of a breach of contract, the injured party may seek judicial remedies such as damages or cancellation.
Hong Kong Fir Shipping Co Ltd v Kawasaki Kisen Kaisha Ltd [1961] EWCA Civ 7 is a landmark English contract law case. It introduced the concept of innominate terms, a category between "warranties" and "conditions".
Frustration is an English contract law doctrine that acts as a device to set aside contracts where an unforeseen event either renders contractual obligations impossible, or radically changes the party's principal purpose for entering into the contract. Historically, there had been no way of setting aside an impossible contract after formation; it was not until 1863, and the case of Taylor v Caldwell, that the beginnings of the doctrine of frustration were established. Whilst the doctrine has seen expansion from its inception, it is still narrow in application; Lord Roskill stated that it is "not lightly to be invoked to relieve contracting parties of the normal consequences of imprudent bargains".
South African contract law is ‘essentially a modernized version of the Roman-Dutch law of contract’, which is itself rooted in canon and Roman laws. In the broadest definition, a contract is an agreement two or more parties enter into with the serious intention of creating a legal obligation. Contract law provides a legal framework within which persons can transact business and exchange resources, secure in the knowledge that the law will uphold their agreements and, if necessary, enforce them. The law of contract underpins private enterprise in South Africa and regulates it in the interest of fair dealing.
The South African law of sale is an area of the legal system in that country that describes rules applicable to a contract of sale, generally described as a contract whereby one person agrees to deliver to another the free possession of a thing in return for a price in money.