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 June 2015 (Manual Letter #73).
Update effective December 2014 (Manual Letter #71).
Update effective September 2014 (Manual Letter #68).
Update effective June 2014 (Manual Letter #67).
Update effective December 2013 (Manual Letter #64).
Update effective September 2013 (Manual Letter #63).
Update effective May 2013 (Manual Letter #61).
Update effective February 2013 (Manual Letter #58).
Update effective December 2012 (Manual Letter #56).
Update effective September 2012 (Manual Letter #53).
Update effective June 2012 (Manual Letter #51).
Update effective January 2012 (Manual Letter #48).
Update effective October 2011 (Manual Letter #45).
Update effective June 2011 (Manual Letter #43).
Update effective December 2010 (Manual Letter #39).
Update effective June 2010 (Manual Letter #35).
Update effective December 2009 (Manual Letter #29).
Update effective September 2009 (Manual Letter #26).
Update effective June 2009 (Manual Letter #23).
Update effective December 2008 (Manual Letter #18).
Update effective October 2008 (Manual Letter #16).
Update effective July 2008 (Manual Letter #13).
Update effective December 2007 (Manual Letter #8).
Update effective October 2007 (Manual Letter #7).
Update effective July 2007 (Manual Letter #5).
Update effective March 2007 (Manual Letter #3).
Update effective January 2007 (Manual Letter #2).