Legal Case Summary
Jackson v Attorney General [2006] 1 AC 262
Upholds the legality of the Parliament Acts 1911 and 1949, limiting the House of Lords’ legislative powers.
Facts
In November 2004, the British Government enacted the Hunting Act which prohibited fox hunting, inter alia. Whilst this bill received support in the House of Commons, it received continual opposition in the House of Lords, and so the Parliament Act 1949 was used to counter the House of Lords’ ability to delay the bill, and so it received royal assent.
The claimant, Jackson, bringing a claim on behalf of the Countryside Alliance and the pro- fox hunting lobby, attempted to assert that the Hunting Act 2004 was invalid as the 1949 Parliament Act, was itself illegal.
Issues
Was the Parliament Act 1949 unlawful, and subsequently was the Hunting Act 2004 unlawful.
Decision/Outcome
At first hearing and upon appeal, the Courts found for the Attorney General, determining that the Hunting Act 2004 and Parliament Acts 1911 and 1949 were lawful. This decision was upheld on final appeal to the House of Lords. It was further held that, legislation passed using the mechanisms in the Parliament Acts are primary legislation, rather than subordinate, and thus their validity would not be impeded were the Parliament Acts unlawful.
Lord Bingham, delivering the leading judgment, stated that the Parliament Acts could indeed be considered ‘enacted law’ and as the Hunting Act 2004 was lawfully passed it was valid law. Secondly that whilst legislative matters ought usually fall in Parliament’s jurisdiction, as Parliament could not respond to the question in the instant case, it fell to the judiciary to provide an answer and Parliaments can be bound by the procedural requirements placed upon them by previous Parliaments.
Updated 19 March 2026
This article remains broadly accurate. The case citation, core facts, and legal outcomes are correctly stated. The House of Lords did uphold the validity of both the Parliament Acts 1911 and 1949 and the Hunting Act 2004, and the judgment did address the status of legislation passed under the Parliament Acts procedure.
One minor point of legal precision: the article’s statement that legislation passed under the Parliament Acts is primary legislation is broadly consistent with the case, but the judgments were more nuanced — their Lordships held that such legislation is not subordinate legislation and has full legal effect, while leaving some broader constitutional questions open. Readers should consult the full judgments for the detail of those obiter observations, particularly the comments made by Lords Steyn, Hope, and Baroness Hale regarding potential limits on parliamentary sovereignty.
There have been no subsequent statutory changes or later appellate decisions that have overruled or materially altered the legal position established in this case. It remains good law. Note also that since this case was decided, the UK Supreme Court has replaced the House of Lords as the final appellate court under the Constitutional Reform Act 2005, which came into effect in October 2009, though this does not affect the authority of this decision.