I don't have any difficulty with the list of those who are within the umbrella in the statute as it now stands. It seems to me that the criterion of representation in the House is a reasonable one. It could have been another one. It could have been any registered party, but the drafters decided to move it up a notch, and not cover all the parties that are on the registry at Elections Canada.
On October 17th, 2017. See this statement in context.