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  "url": "https://openlegislation.uk/gun-barrel-proof-act-1978",
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  "id": "ukpga/1978/9",
  "title": "Gun Barrel Proof Act 1978",
  "short_title": "Gun Barrel Proof Act 1978",
  "long_title": "An Act to make provision to enable the United Kingdom to accede to a Convention for the Reciprocal Recognition of Proof Marks of Small Arms done at Brussels on 1st July 1969; to amend the Gun Barrel Proof Act 1868; to extend that Act and the Gun Barrel Proof Act 1950 to Scotland and Northern Ireland; and for purposes connected with the matters aforesaid.",
  "citation": "1978 c. 9",
  "type": "ukpga",
  "year": "1978",
  "number": "9",
  "version": "current",
  "date": "1978-05-05",
  "revised": true,
  "valid_from": "1996-07-15",
  "extent": "E+W+S+N.I.",
  "unapplied_effects": 0,
  "provisions": [
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      "heading": "Branch proof houses.",
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