With regard to correspondence, in both paper and electronic format, between the Premier of Ontario and the Prime Minister, in relation to the proposed tax changes announced by the Minister of Finance on July 18, 2017: what are the details of all such correspondence, including the (i) date, (ii) format (email, letter), (iii) sender, (iv) recipient, (v) title, (vi) summary of contents?
In the House of Commons on December 4th, 2017. See this statement in context.