Purposive interpretation and developments Parliament did not foresee (Quintavalle)
The (fictional) Inland Waters Safety Act 1999 provides that no person may operate a 'powered craft' on an inland lake in England without a safety licence. Section 1 defines a powered craft as 'a vessel driven by an engine, the vessel being treated as powered from the moment its fuel is ignited'. The Act was passed after a series of serious accidents to swimmers, and it sets up a detailed licensing regime. In 2026 Joaquim Silva is served with a civil enforcement notice by the licensing authority for operating an unlicensed battery-electric hydrofoil board, a type of craft unknown in 1999, at high speed on a lake. He argues that no fuel is ever ignited in his craft, so it cannot be a powered craft.
Which of the following best describes how the court is likely to approach the interpretation of section 1?
Choose one answer to see the reasoning.
Worked answer
Correct answer B: It will read section 1 in context and in light of the Act's safety purpose, treating the reference to fuel as fixing when a craft is regulated, so the electric craft is covered.
THE RULE TO REMEMBER
Under the purposive approach the court reads a provision in the context of the whole Act and its purpose; unforeseen developments within the same genus as those Parliament addressed may fall within it.
Purposive interpretation and developments Parliament did not foresee (Quintavalle)
In R (Quintavalle) v Secretary of State for Health [2003] UKHL 13, Lord Bingham held that the court's task, within the permissible bounds of interpretation, is to give effect to Parliament's purpose. Controversial provisions should be read in the context of the statute as a whole, and the statute in the historical context that led to its enactment, rather than concentrating on the literal words. Applying Lord Wilberforce's guidance in Royal College of Nursing v DHSS, a new state of affairs may fall within an Act if it is within the same genus of facts as those addressed by Parliament's policy, or if a clear statutory purpose can only be fulfilled by including it. In Quintavalle the words 'where fertilisation is complete' were read as directed to timing, not as an integral part of the definition of an embryo. By analogy, an electric craft is the same kind of risk the Act was passed to control, so the court is likely to treat it as a powered craft.
Why A is wrong: Quintavalle rejects confining attention to the literal words where that would frustrate the purpose Parliament intended to achieve.
Why C is wrong: Lord Wilberforce, approved in Quintavalle, said the courts cannot ask what Parliament would have done if the facts had been before it and supply the answer.
Why D is wrong: The modern approach is purposive and contextual from the outset; the court is not confined to the literal meaning unless absurdity is shown.
Why E is wrong: Hansard may be used only under the Pepper v Hart conditions; it is not a precondition to deciding whether new facts fall within an Act.
A little more practice done.
Related questions
Using Hansard to interpret a statute: the conditions in Pepper v Hart [1993] AC 593
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Which of the following best describes the use the court may make of these documents?
Presumption of mens rea where a statutory offence is silent (B v DPP)
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