Treason Act 1708

The Treason Act 1708 (7 Ann c 21) is an Act of the Parliament of Great Britain which harmonised the law of high treason between the former kingdoms of England and Scotland following their union as Great Britain in 1707.

The Treason Act 1708[1]
Long titleAn Act for improving the Union of the Two Kingdoms.
Citation7 Ann c 21
Commencement1 July 1709
Status: Amended
Revised text of statute as amended

This Act is partly still in force in Great Britain (as of 2018).[2]


Before the Act was passed, treason in Scotland consisted of "theft in landed men, murder under trust, wilful fire-raising, firing coalheughs, and assassination." Section 1 of the Act abolished these offences and replaced them with the English definition of high treason. The Act also applied the English offence of misprision of treason to Scotland. (However it did not extend petty treason to Scotland.)

The Act also created new offences of treason. It became treason:

These new offences were similar to existing treasons in England, as in England it was already treason to kill judges or to forge the English seal. (For treason in English law in 1708 and today, see High treason in the United Kingdom.)

Since 1708 treason law in Scotland has generally remained the same as in England. However while the offence of counterfeiting the Seal of Scotland was removed from English treason law in 1861,[3] it is still treason in Scottish law.[4] Also counterfeiting the Great Seal of Great Britain (which was treason under another Act[5]) ceased to be treason in England and became a felony in 1861.[6]

When the Scottish Parliament was established in 1998, treason and misprision of treason were designated as "reserved matters," meaning they fall outside its jurisdiction.


Section III of the Act required the Scottish courts to try cases of treason and misprision of treason according to English rules of procedure and evidence. This rule was repealed in 1945.[7]

Sections still in force

The Act originally had eleven sections, which were later renumbered one to fourteen. Of the fourteen sections, four survive:

  • Section 1 brings Scottish law into line with English law in respect of high treason and misprision of treason.
  • Section 5 made the penalties for high treason and misprision of treason in Scotland the same as in England (for details see the Treason Act 1814).
  • Section 11 makes it treason to kill certain Scottish judges.
  • Section 12 makes it treason to forge "Her Majesty's Seals appointed by the Twenty-fourth Article of the Union to be kept, used, and continued in Scotland". This list of seals includes the Great Seal of Scotland.[8] (This section was repealed in England and Wales in 1830.[9])

Other treason legislation in 1708

Another Act, 7 Ann. c. 25, amended the Coin Act 1696 (which made it treason to counterfeit coins).

See also


  1. The citation of this Act by this short title was authorised by section 1 of, and Schedule 1 to, the Short Titles Act 1896. Due to the repeal of those provisions, it is now authorised by section 19(2) of the Interpretation Act 1978.
  3. Sections 2 and 31 of the Forgery Act 1830 (11 Geo. IV & 1 Gul. IV c. 66) repealed and re-enacted the forgery provisions of the 1708 Act in England and Wales, and the Forgery Act 1861 repealed the 1830 Act and re-enacted this offence as a felony in section 1.
  4. Forgery Act 1830, section 29; and Treason Act 1708, section 12.
  5. Forgery Act 1830, section 2; formerly 1 Mar. Stat. 2 c. 6 (1553)
  6. Forgery Act 1861
  7. Treason Act 1945 (c. 44), section 2(2) and Schedule.
  8. "Union with England Act 1707, section 24". The National Archives. Retrieved 14 June 2013.
  9. Forgery Act 1830, sections 29 and 31.
  • Text of the Treason Act 1708 as in force today (including any amendments) within the United Kingdom, from
  • Original text of the Act (note: text appears with original section numbers. Old section I became new sections 1 and 2. Old section II became new section 3. Old section III became new sections 4 and 5. Old section IV became new section 6. Old section V became new sections 7 and 8. Old sections VI to XI became new sections 9 to 14 respectively.)
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