Historical Category Definitions

Click below to see current and previous category schemas:

2010

Print 2010 Categories in PDF 2010 Category Definitions (Revised March 2011)
 
Print 2010 Flow Chart in PDF 2010 Category Flow Chart
 
Print 2010 Category Changes Announcement in PDF 2010 Category Changes Announcement
 


2008

Print 2008 Categories in PDF 2008 Category Definitions
 
Print 2008 Flow Chart in PDF 2008 Category Flow Chart
 
Print 2008 Revisions in PDF 2008 Category Revisions
 

2007

Print 2007 Categories in PDF 2007 Category Definitions
 
Print 2007 Flow Chart in PDF 2007 Category Flow Chart
 


2006

Print 2006 Categories in PDF 2006 Category Definitions
 
Print 2006 Flow Chart in PDF 2006 Category Flow Chart
 


2005

Print 2005 Categories in PDF 2005 Category Definitions