All these points appear in the document in question, which also contains a spreadsheet showing how many millions of dollars would be saved if such and such a thing were done. That's the proposal that was sent to Cabinet for approval, together with the bottom line, the savings that would be realized. This is the document that was approved in November, according to the letter from the Secretary of the Treasury Board, Mr. Wayne Wouters.
On August 19th, 2008. See this statement in context.