How does the Belfast Agreement take legal effect?

Is it a treaty?

2 Answers 2


Yes, it’s a treaty

It’s a treaty between the Republic of Ireland and the United Kingdom of Great Britain and Northern Ireland which both countries have given force to in domestic law.

It is also an agreement between eight Northern Irish political parties/groups.

  • Is there primary domestic legislation that gives it domestic effect?
    – 52d6c6af
    Oct 20, 2019 at 22:43
  • Yes - amendment to the Irish constitution and repeal of a 1920 UK law re Ireland.
    – Dale M
    Oct 20, 2019 at 23:28
  • Article 4 specifies the requirements for the text to come to effect including referenda and changes specified above. assets.publishing.service.gov.uk/government/uploads/system/…
    – richardb
    Oct 21, 2019 at 8:44

There were two separate agreements the British-Irish Agreement (The Treaty between the UK and Irish Government) The Multi-Party Agreement (a Multilateral agreement between the UK, Irish Government and NI Parties) the International Agreement was the First One but its the Second One people refer to as the Belfast/Good Friday Agreement Any way the Treaty or parts thereof where given effect in the Northern Ireland Act 1998 (c. 47)

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