If someone from Nunavut were to drive down and purchase the gas directly and import it themselves right from the St. Lawrence, they would perhaps then pay a higher charge than someone in Quebec, because it's treated differently under cap and trade. The former premier of British Columbia, Christy Clark, expressed real concerns around equivalency, and the fact that this does not address that raises concerns, for me.
On May 1st, 2018. See this statement in context.