This page has been updated several times. The most recent updates are listed first. Information regarding what was specifically updated is described in the manual letter; there is no marking on the actual page. Use the menu to select the desired update.
Update effective January 1, 2014 (Manual Letter #65).
Update effective December 1, 2012 (Manual Letter #56).
Update effective September 2011 (Manual Letter #44).
Update effective February 2011 (Manual Letter #41).
Update effective September 2010 (Manual Letter #38).
Update effective February 2009 (Manual Letter #19).
Update effective April 2008 (Manual Letter #11).
Update effective January 2008 (Manual Letter #8).
Update effective January 2007 (Manual Letter #2).