March 2016 - IRIS v4.0 Released (current version)
March 2014 - IRIS v3.0 Released
Immaterial change. Minor revision to metric name and definition language for clarity.
November 2011 - IRIS v2.2 Released
Immaterial change. Sales: Certified (PI7321) replaced Sales from Certified Products (PI7321). Minor revision to definition language and metric name for clarity.
February 2011 - IRIS v2.1 Released
Immaterial change. Sales from Certified Products (PI7321) replaced Sales from Certified Crops (PI7321).Definition language revised to increase generalization.
September 2010 - IRIS v2.0 Released
Material change. Sales from Certified Crops (PI7321) replaced Sales: Certified Crops (A3.2). Metric modified to increase clarity.
September 2009 - IRIS v1.0 Released
New metric. Sales: Certified Crops (A3.2) developed via Original IRIS Working Group.