Mr. Speaker, to change executive powers in the Canadian Constitution, a constitutional amendment is required. However, if the leader of the Bloc—excuse me, I meant to say the leader of the New Democratic Party, but sometimes it amounts to the same thing—wants to form his coalition with the Bloc and the Liberal Party instead of changing the Constitution, he should seek a mandate from the people of Canada.
In the House of Commons on March 17th, 2010. See this statement in context.