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The Nature of Law

Legal rules, other norms and the sources of law

  • 3 things to know
  • Component 1

Overview

What makes a rule law rather than etiquette or club rules, criminal and civil law compared, the sources of English law, and custom with its tests and cases such as Mercer v Denne.

What you need to know

Answer each one before you reveal it.

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Key term

What is custom as a source of law?

Process

What did Mercer v Denne (1905) decide about custom?

Process

Why is custom now of little importance as a source of law?

Questions from this subtopic

Each one with the model answer underneath.

  1. 1

    What makes a rule a rule of law rather than another kind of rule?

    Model answer

    A legal rule is made or recognised by the state, through Parliament or the courts, binds everyone within the jurisdiction, and is enforced by the state through the courts and police with formal sanctions.

  2. 2

    How do other norms, such as etiquette, religious rules and club rules, differ from legal rules?

    Model answer

    They bind only those who accept them or belong to the group and are enforced informally, by disapproval, exclusion or a club's own penalties, rather than by state sanctions.

  3. 3

    Distinguish criminal law from civil law by purpose, parties and standard of proof.

    Model answer

    Criminal law punishes wrongs against society, brought by the state as R v the defendant and proved beyond reasonable doubt; civil law resolves disputes between individuals, brought by a claimant against a defendant and proved on the balance of probabilities.

  4. 4

    What are the main sources of English law?

    Model answer

    Acts of Parliament, delegated legislation, judicial precedent and the common law, equity, retained EU law (renamed assimilated law from 2024), and custom.

  5. 5

    What is custom as a source of law?

    Model answer

    A practice followed for so long that the courts recognise it as law: general custom was absorbed into the common law centuries ago, while a local custom can still give rights to the people of a particular area.

  6. 6

    What tests must a local custom satisfy to be recognised by the courts?

    Model answer

    It must have existed since time immemorial, fixed as 1189, and have been exercised continuously, peaceably, openly and as of right; it must also be reasonable, certain, obligatory and consistent with statute.

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Parliamentary and European Law Making
Delegated Legislation
Statutory Interpretation
Judicial Precedent

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The court sits in .
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AAn interim injunction restrains publication before trial.
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A Public Bill changes the general law.
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