Memorandum to Cabinet
The policy document outlining the rationale for any proposed bill, which now must state what consultations, the Minister has undertaken or plans to undertake.
(Pal, Leslie. 2006. Beyond Policy Analysis: Public Issue Management in Turbulent Times, 3rd ed. Toronto: Nelson Education, pg. 274.)
For a Canadian example, see the Privy Council Office's A Drafter's Guide to Cabinet Documents at http://www.pco-bcp.gc.ca/index.asp?lang=eng&page=information&sub=publications&doc=mc/guide-eng.htm (accessed 23 December 2013).