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| Interpretation Act 1987 (Cth) | |
|---|---|
| Title | Interpretation Act 1987 (Cth) |
| Enactment | Parliament of Australia |
| Year | 1987 |
| Citation | Act No. 23 of 1987 |
| Status | Current |
Interpretation Act 1987 (Cth) The Interpretation Act 1987 (Cth) is an Act of the Parliament of Australia that provides rules for construing Commonwealth legislation and instruments. It codifies definitions, presumptions, and interpretive aids used by courts such as the High Court of Australia and tribunals like the Federal Court of Australia and the Administrative Appeals Tribunal. The Act interacts with statutes enacted by the Australian Capital Territory Legislative Assembly, the New South Wales Parliament, and other legislatures across the Commonwealth of Nations via comparative principles.
The Act’s primary purpose is to promote certainty and consistency in the construction of Commonwealth statutes and instruments enacted by the Commonwealth Ministers, Governor-General of Australia, and agencies such as the Australian Taxation Office and the Australian Securities and Investments Commission. It establishes interpretive foundations akin to provisions in the Interpretation Act 1978 (UK) and has been referenced by judges in matters involving the Constitution of Australia, Native Title Act 1993 (Cth), and treaties recognized under the International Law Commission principles. The Act also supports procedural frameworks used by institutions like the Royal Australian Navy in statutory delegations and by the Reserve Bank of Australia in regulatory contexts.
The Act defines key terms used across Commonwealth legislation, including "person", "month", and "writing", and supplies default meanings that courts rely on in disputes before the High Court of Australia and the Federal Court of Australia. Definitions interact with common law doctrines developed in cases involving figures such as judges of the High Court of Australia and jurisprudence from the Privy Council. The Act’s general principles echo interpretive traditions found in statutes upheld by the House of Representatives of Australia and debated in inquiries by the Senate Standing Committee.
The Act applies to Commonwealth enactments, instruments made under Commonwealth statutes by entities such as the Attorney-General of Australia, Minister for Finance (Australia), and statutory authorities including the Australian Broadcasting Corporation and the Industrial Relations Commission. Its scope extends to commencement provisions, repeal and saving clauses relevant to measures like the Migration Act 1958 (Cth), the Competition and Consumer Act 2010 (Cth), and amendments originating from the Treasury or the Department of the Prime Minister and Cabinet. Exceptions arise where a statute expressly provides otherwise or where constitutional limits under the Constitution of Australia intervene.
The Act sets out presumptions used by adjudicators such as the High Court of Australia, including statutory presumptions about retrospective operation, territorial application, and the interpretation of gendered or singular expressions. Courts apply these presumptions alongside established doctrines from cases involving entities like the Commonwealth Director of Public Prosecutions and principles articulated in decisions of the Judicial Committee of the Privy Council and the European Court of Human Rights when comparative reasoning is appropriate. The Act also prescribes rules on computation of time adopted by tribunals including the Administrative Appeals Tribunal and the Family Court of Australia.
The Act interfaces with the Constitution of Australia and other Commonwealth statutes such as the Crimes Act 1914 (Cth) and the Corporations Act 2001 (Cth), supplying default interpretive aids that judges from the High Court of Australia and the Federal Court of Australia apply unless displaced by express provision. Judicial interpretation has relied on the Act when resolving conflicts with state statutes enacted by the Parliament of Victoria or instruments from the Parliament of Western Australia, with courts invoking comparative doctrines from the Supreme Court of Canada and the House of Lords where persuasive authority is sought.
Enacted by the Parliament of Australia in 1987, the Act has been amended through bills introduced in the House of Representatives of Australia and the Senate of Australia, reflecting policy inputs from bodies such as the Attorney-General's Department and the Law Council of Australia. Subsequent legislative changes have responded to decisions from the High Court of Australia and reviews by committees including the Senate Legal and Constitutional Affairs References Committee and have aligned certain provisions with modern statutory drafting practice influenced by the Office of Parliamentary Counsel.
Significant cases referencing the Act include decisions of the High Court of Australia and the Federal Court of Australia where interpretive issues arose in matters involving the Australian Taxation Office, the Australian Communications and Media Authority, and litigants such as the Commonwealth Bank of Australia and the Australian Electoral Commission. Courts have applied the Act in contexts ranging from administrative review in the Administrative Appeals Tribunal to constitutional challenges before the High Court of Australia, often engaging with comparative jurisprudence from the Privy Council and the United Kingdom Supreme Court.
Category:Australian Commonwealth legislation