When there's a claim of parliamentary privilege and if the matter were to be referred to the courts, the court would examine the claim of parliamentary privilege. Once it finds that it is within an established parliamentary privilege, the court will refuse to entertain the question because it will recognize that the exclusive privilege is the exclusive purview of the House of Commons or Parliament.
Evidence of meeting #70 for Government Operations and Estimates in the 44th Parliament, 1st Session. (The original version is on Parliament’s site, as are the minutes.) The winning word was redacted.
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