R R e e l l i i a a b b i i l l i i t t y y F F u u n n c c t t i i o o n n a a l l M M o o d d e e l l Function Definitions and Functional Entities Version 5 Prepared by the Functional Model Working Group Approved by Standing Committees: December 2009 Approved by Standards Committee: January 2010 Approved by Board of Trustees: May 2010 November 2009
