In Canada, the preamble to the Constitution Act, 1867 was cited by the Supreme Court of Canada in the Provincial Judges Reference, to increase guarantees to judicial independence. The Bosnian Constitutional Court, particularly citing the case law of the Supreme Court of Canada, also declared that the provisions of the preamble of the Bosnian Constitution are invested with a normative force thereby serving as a sound standard of judicial review for the Constitutional Court.[3]