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- 1998 Tax Return (Form 990)
- 1999 Tax Return (Form 990)
- 2000 Tax Return (Form 990)
- 2001 Tax Return (Form 990)
- 2002 Tax Return (Form 990)
- 2003 Tax Return (Form 990)
- 2004 Tax Return (Form 990)
- 2005 Tax Return (Form 990)
- 2006 Tax Return (Form 990)
- 2007 Tax Return (Form 990)
- 2008 Tax Return (Form 990)
- 2009 Tax Return (Forms 990-EZ & 990-T)
- 2010 Tax Return (Forms 990-EZ & 990-T)
- 2011 Tax Return (Forms 990-EZ & 990-T)
- 2012 Tax Return (Forms 990-EZ & 990-T)
- Financial Statements (y/e Dec 31, 2002)
- Financial Statements (y/e Dec 31, 2003)
- Financial Statements (y/e Dec 31, 2004)
- Financial Statements (y/e Dec 31, 2005)
- Financial Statements (y/e Dec 31, 2006)
- Financial Statements (y/e Dec 31, 2007)
- Financial Statements (y/e Dec 31, 2009)
- Financial Statements (y/e Dec 31, 2010)
- Financial Statements (y/e Dec 31, 2011)
- Financial Statements (y/e Dec 31, 2012)
- IRS Letter of Determination
- Determination letter issued in July 1973 (copy 3/28/2001) granted the International Trombone Association exemption from federal income tax under section 501(c)(3) of the Internal Revenue Code