- Explain the basic meaning of a contract and distinguish it from an ordinary agreement.
- Compare leading scholarly and judicial descriptions of a contract.
- Identify the recurring ingredients found in definitions of contract.
- Explain consideration through the law-student project example.
- Identify the main sources of contract law and the civil remedies for breach.
- Apply a step-by-step method when beginning the study of contract law.
- A basic awareness of the difference between civil law and criminal law.
- Familiarity with the idea that courts use cases and legal authorities.
Beginning the Study of Contract Law
Contract law becomes easier when its unfamiliar language is connected to ordinary agreements and studied in stages.
New law students often find contract law difficult because it contains unfamiliar terms and principles. Breaking the subject into its central ideas makes it easier to see that agreements occur in daily life, although only some agreements receive legal enforcement.
This lesson moves from the meaning of a contract to authoritative definitions, common ingredients, consideration, sources of law, and a practical study method. The aim is to create a foundation for later work on the individual elements of contract formation.
The Core Meaning of a Contract
A contract is an agreement that creates obligations recognized and enforceable by law.
A contract can be oral or written and may involve goods, services, money, property, or a combination of them. Its defining feature is not a signature or document, but an exchange of promises that the law is prepared to uphold.
An ordinary social arrangement, such as planning to meet a friend, is different. If someone fails to attend, the law generally does not intervene because the parties did not intend to establish a legal relationship. Enforceability therefore separates a contract from a merely social agreement.
How Recognized Authorities Describe Contract
Legal explanations should be grounded in respected scholarly or judicial authority.
In legal study, a definition should be supported by an authority rather than presented as a personal assertion. The following accounts are especially important because each highlights part of the contractual relationship.
Before examining their shared features, what ideas appear repeatedly across these scholarly and judicial descriptions?
They repeatedly refer to agreement or promises, identifiable parties, legal rights and duties, and enforcement or recognition by law.
Professor Sir Guenter Treitel
In The Law of Contract, Treitel describes a contract as an agreement that gives rise to obligations recognized or enforced by law. Contractual duties differ from other legal duties because they originate in the agreement of the contracting parties.
The emphasis is on the parties voluntarily creating their own obligations. This contrasts with obligations imposed by law without the person's agreement, as may occur in tort law.
Professor Sagay
Professor Sagay defines contract as an agreement that the law enforces or recognizes as changing the parties' legal rights and duties. He also presents it as one promise, or a group of promises, that the law will enforce.
This account combines agreement and promise while showing that a contract affects the legal position of everyone who is a party to it.
Chitty on Contracts
Chitty explains a contract as a promise or collection of promises that can be enforced by law, forming a legally binding agreement between two or more parties.
Salmond and Williams
In Principles of the Law of Contract, Williams describes a contract as a legally binding agreement involving two or more parties, through which one or more parties acquire rights to acts or forbearances by the others.
A contractual obligation may therefore require action or restraint. A promise not to compete with a business is an example of an obligation based on forbearance.
Oriental Bank (Nigeria) PLC v. Bante
The Court of Appeal described contract as an agreement involving two or more parties that creates reciprocal legal obligations either to perform a particular act or to refrain from it.
This judicial account gathers the central ideas of agreement, multiple parties, reciprocal legal duties, action, and forbearance.
Recurring Features of the Definitions
The authorities repeatedly identify six building blocks of contractual obligation.
Comparing the definitions reveals a set of recurring ideas that form the basic structure of contract.
- Agreement: every contract begins with agreement, although agreement by itself does not always create a contract.
- Promise: one or more promises lie within a contract, and the law may enforce them.
- Parties: at least two identifiable parties participate, and only parties to the contract may enforce it under privity of contract.
- Legal obligation: the arrangement must create rights and duties recognized by law.
- Consideration: the parties exchange something of value, which may be money, an act, forbearance, or a promise.
- Intention to create legal relations: the participants must mean their arrangement to have legal force.
N and Z Construction Nigeria Limited supports the point that contract is founded on agreement, while an agreement alone does not necessarily amount to a contract.
When an Agreement Becomes a Contract
Agreement is the starting point, but formation also requires the relevant contractual elements.
Return to the arrangement in which the law student will prepare the project and the social science student will pay 15,000 naira. Their agreement begins the process, but saying yes does not by itself settle whether every requirement of contract formation is present.
- Offer
- Acceptance
- Consideration
- Intention to create legal relations
- Capacity
Scenario One: Performance Remains in the Future
Suppose the law student has not begun the project and the social science student has not paid. The parties have exchanged promises, but neither has performed. If the law student withdraws, the other student may have a case only by showing a detriment caused by relying on the promise, such as losing the opportunity to find another writer before the deadline. Generally, if no consideration has been provided, enforceability may be absent.
Scenario Two: Consideration Has Been Supplied
Now suppose the social science student pays all 15,000 naira in advance and the law student accepts the payment but later refuses to work. The payment supplies consideration. The social science student may sue for breach and seek specific performance, requiring completion of the project, or damages for the resulting loss.
The position also works in the other direction. If the law student finishes and delivers the project but the other student refuses to pay, the law student may sue after performing their part of the bargain.
Why might the law insist on consideration instead of allowing every unsupported promise to be enforced in court?
Consideration shows an exchange between the parties and separates a bargain from a promise for which nothing was given in return.
The Exchange Known as Consideration
Consideration is the value exchanged for a promise and need not take the form of money.
In the project arrangement, each participant supplies a different side of the exchange.
- The law student's consideration is the undertaking to prepare the project and the work actually performed.
- The social science student's consideration is the undertaking to pay 15,000 naira and the payment itself.
A promise unsupported by consideration is generally unenforceable. For example, merely promising to give another person 1,000 naira does not create a contract when the intended recipient offers nothing in exchange.
Value does not have to be monetary. It may take the form of detriment, meaning loss or inconvenience. If the social science student relies on the promise, rejects another writer, and then misses the submission deadline, that reliance may count as consideration through detriment. This illustrates that consideration concerns exchange rather than payment alone.
Where Contract Law Comes From
Contract law belongs to civil law and is derived mainly from common law and judicial decisions, with some statutory rules.
The legal rules governing contracts are rooted in the common-law tradition.
- Common law: the principal source, developed over centuries through court judgments and still supplying many rules that do not appear in legislation.
- Case law: contract law is largely judge-made, so principles are commonly supported by leading cases and legal precedents.
- Statutes: some jurisdictions have enacted rules such as the Sale of Goods Act or the Indian Contract Act, although the central body of law in many common-law countries remains common law.
Contract law is civil rather than criminal. Breach does not lead to imprisonment; the available responses are civil remedies such as damages, specific performance, or an injunction.
A Practical Order for Studying Contract Law
A structured sequence connects definitions, formation elements, consideration, and cases.
A beginner can approach the subject in the following order.
- Begin with the core meaning: a contract is a legally binding agreement.
- Learn the accounts given by Treitel, Sagay, Chitty, Williams, and the courts, and reproduce the authoritative definitions accurately when answering questions.
- Identify offer, acceptance, consideration, intention, and capacity, recognizing that each is a substantial topic of its own.
- Keep agreement and contract separate: every contract includes agreement, but many agreements are not contracts.
- Understand how consideration supplies the exchange that makes a promise enforceable.
- Study the facts and legal reasoning of cases instead of merely memorizing names, since several decisions may illustrate one principle.
Common misconceptions
Watch out: An agreement must be written or signed before it can be a contract.
Instead: An oral agreement may be binding; enforceable mutual promises, rather than the existence of a document, determine contractual character.
Watch out: Every agreement automatically creates a contract.
Instead: Agreement is necessary, but a contract also depends on requirements such as offer, acceptance, consideration, intention, and capacity.
Watch out: Consideration can only consist of money.
Instead: Consideration may be money, an act, a promise, forbearance, or a detriment suffered through reliance.
Watch out: Breaking a contract is a criminal matter that may result in imprisonment.
Instead: Contract law is civil. Its remedies include compensation, specific performance, and injunctions rather than criminal punishment.
Lesson recap
- A contract is a legally binding agreement among two or more parties that creates mutual obligations enforceable by law.
- Treitel, Sagay, Chitty, Williams, and Oriental Bank all emphasize agreement or promises, parties, and legal enforceability.
- Every contract is an agreement, but an agreement may fall short of contract when intention, consideration, or another required element is missing.
- Consideration distinguishes an exchanged bargain from a gratuitous promise and represents the value given for the promise.
- Common law and case law are the main sources of contract law, with statutes contributing in some jurisdictions.
- Contract law is civil, so remedies compensate or require performance rather than impose criminal punishment.
This foundation prepares you to study offer, acceptance, consideration, intention to create legal relations, capacity, and the other individual topics of contract law in greater detail.