Schema change logs
The IRS has issued numerous versions of the 990 schema. Some of these versions are available in zipped archives on the IRS public schema page. These archives contain human-readable change logs in HTML format, which we have republished here for your convenience.
Versions
- Diffs990x_2005v2.4_TO_2005v3.0.20061108
- Diffs990x_2005v3.0_TO_2005v3.1
- Diffs990x_2005v3.1_TO_2005v3.2
- Diffs990x_2005v3.2_TO_2005v3.3
- Diffs990x_2005v3.3_TO_2005v4.0
- Diffs990x_2005v4.0_TO_2005v4.1
- Diffs990x_2006v3.0_TO_2006v3.1
- Diffs990x_2006v3.1_TO_2006v3.2
- Diffs990x_2006v3.2_TO_2006v3.3
- Diffs990x_2006v3.2_TO_2007v1.0
- Diffs990x_2006v3.3_TO_2006v4.0
- Diffs990x_2006v4.0_TO_2006v4.1
- Diffs990x_2006v4.1_TO_2006v4.2
- Diffs990x_2006v4.2_TO_2006v4.3
- Diffs990x_2006v4.3_TO_2006v4.4
- Diffs990x_2007v1.0_TO_2007v1.1
- Diffs990x_2007v1.1_TO_2007v2.0
- Diffs990x_2007v2.0_TO_2007v2.1
- Diffs990x_2007v2.10_TO_2007v2.11
- Diffs990x_2007v2.11_TO_2007v2.12
- Diffs990x_2007v2.12_TO_2007v2.13
- Diffs990x_2007v2.13_TO_2007v2.14
- Diffs990x_2007v2.1_TO_2007v2.2
- Diffs990x_2007v2.2_TO_2007v2.3
- Diffs990x_2007v2.3_TO_2007v2.4
- Diffs990x_2007v2.4_TO_2007v2.5
- Diffs990x_2007v2.5_TO_2007v2.6
- Diffs990x_2007v2.6_TO_2007v2.7
- Diffs990x_2007v2.7_TO_2007v2.8
- Diffs990x_2007v2.8_TO_2007v2.9
- Diffs990x_2007v2.9_TO_2007v2.10
- Diffs990x_2008v2.0_TO_2008v2.1
- Diffs990x_2008v2.10_TO_2008v2.11
- Diffs990x_2008v2.11_TO_2008v2.12
- Diffs990x_2008v2.12_TO_2008v2.13
- Diffs990x_2008v2.13_TO_2008v2.14
- Diffs990x_2008v2.1_TO_2008v2.2
- Diffs990x_2008v2.2_TO_2008v2.3
- Diffs990x_2008v2.3_TO_2008v2.4
- Diffs990x_2008v2.4_TO_2008v2.5
- Diffs990x_2008v2.5_TO_2008v2.6
- Diffs990x_2008v2.6_TO_2008v2.7
- Diffs990x_2008v2.7_TO_2008v2.8
- Diffs990x_2008v2.7_TO_2009v1.0
- Diffs990x_2008v2.8_TO_2008v2.9
- Diffs990x_2008v2.9_TO_2008v2.10
- Diffs990x_2009v1.0_TO_2009v1.1
- Diffs990x_2009v1.1_TO_2009v1.2
- Diffs990x_2009v1.2_TO_2009v1.3
- Diffs990x_2009v1.3_TO_2009v1.4
- Diffs990x_2009v1.4_TO_2009v1.5
- Diffs990x_2009v1.4_TO_2010v1.0
- Diffs990x_2009v1.5_TO_2009v1.6
- Diffs990x_2009v1.6_TO_2009v1.7
- Diffs990x_2009v1.7_TO_2009v1.8
- Diffs990x_2009v1.8_TO_2009v1.9
- Diffs990x_2009v1.9_TO_2009v1.10
- Diffs990x_2010v1.0_TO_2010v2.0
- Diffs990x_2010v2.0_TO_2010v3.0
- Diffs990x_2010v3.0_TO_2010v3.1
- Diffs990x_2010v3.1_TO_2010v3.2
- Diffs990x_2010v3.2_TO_2010v3.3
- Diffs990x_2010v3.3_TO_2010v3.4
- Diffs990x_2010v3.4_TO_2010v3.5
- Diffs990x_2010v3.5_TO_2010v3.6
- Diffs990x_2010v3.6_TO_2010v3.7
- Diffs990x_2013v2.0
- Diffs990x_2013v4.0
- Diffs990x_2014v5.0
- Diffs990x_2014v5.0_vs_2014v6.0
- Diffs990x_2015v1.0_vs_2015v2.0
- Diffs990x_2015v2.0_vs_2015v2.1
- Diffs990x_2015v3.0_vs_2015v2.1
- Diffs_2006v2.0_TO_2006v3.0
- Diffs_990x_2008v1.0_TO_2008v2.0
- Diffs_990x_Redesign_2008v1.0