March 2016 - IRIS v4.0 Released (current version)
March 2014 - IRIS v3.0 Released
Immaterial change. Minor revision to definition language for clarity.
November 2011 - IRIS v2.2 Released
February 2011 - IRIS v2.1 Released
September 2010 - IRIS v2.0 Released
Material change. Client Locations (PD2587), Location of Organization's Operating Facilities (OD1777), and Supplier Locations (PD4565) replaced Primary Countries Served (DES5.1). Metric trifurcated to increase specificity and the extent of the information represented.
September 2009 - IRIS v1.0 Released
New metric. Primary Countries Served (DES5.1) developed via Original IRIS Working Group.