Social:Interpretation Act 1978

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Short description: Act of Parliament of the United Kingdom

Short description: United Kingdom legislation
Interpretation Act 1978[lower-alpha 1]
Act of Parliament
Long titleAn Act to consolidate the Interpretation Act 1889 and certain other enactments relating to the construction and operation of Acts of Parliament and other instruments, with amendments to give effect to recommendations of the Law Commission and the Scottish Law Commission.
Citation1978 c. 30
Territorial extentUnited Kingdom
Dates
Royal assent20 July 1978
Commencement1 January 1979[lower-alpha 2]
Other legislation
AmendsPlaces of Worship Registration Act 1855
Repeals
  • Wales and Berwick Act 1746
  • Statutes (Definition of Time) Act 1880
Amended by
  • Magistrates' Courts Act 1980
  • British Nationality Act 1981
  • Building Act 1984
  • County Courts Act 1984
  • Family Law Reform Act 1987
  • Finance Act 1987
  • Criminal Justice Act 1988
  • Children Act 1989
  • Water Act 1989
  • Local Government (Wales) Act 1994
  • Health Authorities Act 1995
  • Police Act 1996
  • Trusts of Land and Appointment of Trustees Act 1996
  • Scotland Act 1998
  • Police (Northern Ireland) Act 2000
  • British Overseas Territories Act 2002
  • Justice (Northern Ireland) Act 2002
  • Criminal Justice Act 2003
  • Income Tax (Earnings and Pensions) Act 2003
  • Civil Partnership Act 2004
  • Commissioners for Revenue and Customs Act 2005
  • Constitutional Reform Act 2005
  • Immigration, Asylum and Nationality Act 2006
  • Legislative and Regulatory Reform Act 2006
  • Local Government and Public Involvement in Health Act 2007
  • Offender Management Act 2007
  • UK Borders Act 2007
  • European Union (Amendment) Act 2008
  • Housing and Regeneration Act 2008
  • Budget Responsibility and National Audit Act 2011
  • Police Reform and Social Responsibility Act 2011
  • Charities Act 2011
  • Crime and Courts Act 2013
  • Enterprise and Regulatory Reform Act 2013
  • Infrastructure Act 2015
  • Justice Act (Northern Ireland) 2015
  • European Union (Withdrawal) Act 2018
  • Legislation (Wales) Act 2019
  • European Union (Withdrawal Agreement) Act 2020
  • Fisheries Act 2020
  • Sentencing Act 2020
  • Judicial Review and Courts Act 2022
  • Retained EU Law (Revocation and Reform) Act 2023
Status: Amended
Text of statute as originally enacted
Text of the Interpretation Act 1978 as in force today (including any amendments) within the United Kingdom, from legislation.gov.uk.
Revised text of statute as amended

The Interpretation Act 1978[lower-alpha 1] (c. 30) is an act of the Parliament of the United Kingdom. The act makes provision for the interpretation of acts of Parliament,[1] Measures of the General Synod of the Church of England, Measures of the Church Assembly,[2] subordinate legislation,[3] "deeds and other instruments and documents",[4] acts of the Scottish Parliament and instruments made thereunder (added 1998),[5] and Measures and acts of the National Assembly for Wales and instruments made thereunder.[6] The act makes provision in relation to: the construction of certain words and phrases, words of enactment, amendment or repeal of Acts in the Session they were passed, judicial notice, commencement, statutory powers and duties, the effect of repeals, and duplicated offences.

The Interpretation Act (Northern Ireland) 1954[7] applies in the same way to Acts of the Parliament of Northern Ireland or Acts of the Northern Ireland Assembly.

Section 7

Section 7 of the act, concerned with service of documents by post, replaced section 26 of the Interpretation Act 1889 (52 & 53 Vict. c. 63).[8] It states that

Where an Act authorises or requires any document to be served by post (whether the expression "serve" or the expression "give" or "send" or any other expression is used) then, unless the contrary intention appears, the service is deemed to be effected by properly addressing, pre-paying and posting a letter containing the document and, unless the contrary is proved, to have been effected at the time at which the letter would be delivered in the ordinary course of post.[9]

Interpretation of the words unless the contrary is proved is discussed in the case of Calladine-Smith v Saveorder Ltd, as to whether the "contrary" means the contrary of the allegation that the letter was properly addressed, prepaid and posted, or whether it refers to the contrary of the deeming provision that the letter in question was delivered in the ordinary course of post. In this particular case, a letter was shown to have been properly addressed, pre-paid and posted, but not received. On a balance of probabilities the court accepted that the "contrary" to the deemed provision had been proved, the letter was not received, and therefore the deemed provision could not hold.[10]

Section 16 – General savings

The following cases are relevant to this section:

  • Hough v Windus (1884) 12 QBD 224, CA
  • R v Fisher (Charles) [1969] 1 WLR 8, CA
  • R v West London Stipendiary Magistrate, ex parte Simeon [1983] AC 234, HL

Section 18 – Duplicated offences

Section 18 of the act provides:

Where an act or omission constitutes an offence under two or more Acts, or both under an Act and at common law, the offender shall, unless the contrary intention appears, be liable to be prosecuted and punished under either or any of those Acts or at common law, but shall not be liable to be punished more than once for the same offence.[11]

This section replaces section 33 of the Interpretation Act 1889 (52 & 53 Vict. c. 63).[12] Humphreys J. said that that section did not add anything to the common law, or detract anything from it.[13]

"... shall not be liable to be punished more than once for the same offence"

The words "same offence" at the end of section 18 of the act do not mean "same act" or "same cause". A person may be punished more than once for the same act.[14] Two prosecutions for a single false statement in a brochure is not oppressive.[15]

See also Williams v Hallam (1943) 112 LJKB 353, (1943) 59 TLR 287, (1943) 41 LGR 165.

Notes

  1. 1.0 1.1 Section 27.
  2. Section 26.

References

  • Halsbury's Statutes. Fourth Edition. 2008 Reissue. Volume 41. Page 796.
  • Archbold Criminal Pleading, Evidence and Practice. 1999. Appendix A.
  • Current Law Statutes Annotated 1978
  1. The Interpretation Act 1978, section 22(1)
  2. The Interpretation Act 1978, section 22(3)
  3. The Interpretation Act 1978, section 23(1)
  4. The Interpretation Act 1978, section 23(3)
  5. The Interpretation Act 1978, section 23A
  6. The Interpretation Act 1978, section 23B
  7. The Interpretation Act (Northern Ireland) 1954
  8. Archbold Criminal Pleading, Evidence and Practice, 1999, para 4-209
  9. Interpretation Act 1978: Section 7, The National Archives, 1978 c. 30 (s. 7), http://legislation.gov.uk/ukpga/1978/30/section/7/enacted 
  10. Calladine-Smith v Saveorder Ltd [2011] EWHC 2501 (Ch), [2011] 44 EG 108 (5 July 2011), High Court (England and Wales)
  11. Copy of section 18 from Legislation.gov.uk
  12. Archbold Criminal Pleading, Evidence and Practice, 1999, para 4–123
  13. R v Thomas [1950] 1 KB 26 at 31 to 33, 33 Cr App R 200 at 204, CCA
  14. R v Thomas [1950] 1 KB 26, 33 Cr App R 200, [1949] 2 All ER 662, CCA
  15. R v Thomson Holidays Ltd [1974] QB 592, [1974] 2 WLR 371, [1974] 1 All ER 823, 58 Cr App R 429, CA