Full text
If the constitutional validity, applicability or operability of an Act of Parliament or of the legislature of a province, or of regulations made under such an Act, is in question before the Federal Court of Appeal or the Federal Court or a federal board, commission or other tribunal, other than a court martial and an officer conducting a summary hearing, as defined in subsection 2(1) of the National Defence Act, the Act or regulation shall not be judged to be invalid, inapplicable or inoperable unless notice has been served on the Attorney General of Canada and the attorney general of each province in accordance with subsection (2).