IRS Final Determination Letter of CAT 501(c)(3) not-for-profit public charity status (PDF file) Charities are required to make annual financial reports to the Internal Revenue Service.  These documents are open for public inspection.  CAT’s form 990s are available in PDF format. 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 CAT’s 1995 application for tax exempt status