March 2016 - IRIS v4.0 Released (current version)
Material change. Glossary and corresponding text in metric's usage guidance modified to clarify the issue of direct control in the case of third-party management of the land.
March 2014 - IRIS v3.0 Released
Material change. Metric definition modified to provide clarity based on Land Conservation Working Group.
November 2011 - IRIS v2.2 Released
Material change. Sustainable Cultivated Land Area - Direct (OI6912) and Sustainable Cultivated Land Area - Indirect (PI6796) replaced Sustainable Cultivated Land Area (OI2605). Metric bifurcated to allow for reporting regarding land not directly operated by enterprise.
February 2011 - IRIS v2.1 Released
September 2010 - IRIS v2.0 Released
Immaterial change. Sustainable Cultivated Land Area (OI2605) replaced Cultivated Land Area: Sustainable (A7.1). IRIS ID / metric name changed due to framework upgrade.
September 2009 - IRIS v1.0 Released
New metric. Cultivated Land Area: Sustainable (A7.1) developed via Original IRIS Working Group.