Find IRS forms, instructions, publications, and notices for prior years back to 1864. If a PDF file won't open, try downloading the file to your device and opening it using Adobe Acrobat. View more information about Using IRS Forms, Instructions, Publications and Other Item Files. Click on a column heading to sort the list by the contents of that column. Enter a term in the Find box Click the Search button 顯示 1 - 64 of 64尋求幫助 尋找 Prior Year » RegExReplace » Product Number Prior Year » Revision Date Prior Year » Title 每頁顯示 2550100200 搜尋清除 產品編號 標題 修訂日期 Form 3800 General Business Credit 2023 Form 3800 General Business Credit 2022 Form 3800 General Business Credit 2021 Form 3800 General Business Credit 2020 Form 3800 General Business Credit 2019 Form 3800 General Business Credit 2018 Form 3800 General Business Credit 2017 Form 3800 General Business Credit 2016 Form 3800 General Business Credit 2015 Form 3800 General Business Credit 2014 Form 3800 General Business Credit 2013 Form 3800 General Business Credit 2012 Form 3800 General Business Credit 2011 Form 3800 General Business Credit 2010 Form 3800 General Business Credit 2009 Form 3800 General Business Credit 2008 Form 3800 General Business Credit 2007 Form 3800 General Business Credit 2006 Form 3800 General Business Credit 2005 Form 3800 General Business Credit 2004 Form 3800 General Business Credit 2003 Form 3800 General Business Credit 2002 Form 3800 General Business Credit 2001 Form 3800 General Business Credit 2000 Form 3800 General Business Credit 1999 Form 3800 General Business Credit 1998 Form 3800 General Business Credit 1997 Form 3800 General Business Credit 1996 Form 3800 General Business Credit 1995 Form 3800 General Business Credit 1994 Form 3800 General Business Credit 1993 Form 3800 General Business Credit 1992 Form 3800 General Business Credit 1991 Form 3800 General Business Credit 1990 Instruction 3800 Instructions for Form 3800, General Business Credit 2023 Instruction 3800 Instructions for Form 3800, General Business Credit 2022 Instruction 3800 Instructions for Form 3800, General Business Credit 2021 Instruction 3800 Instructions for Form 3800, General Business Credit 2020 Instruction 3800 Instructions for Form 3800, General Business Credit 2019 Instruction 3800 Instructions for Form 3800, General Business Credit 2018 Instruction 3800 Instructions for Form 3800, General Business Credit 2017 Instruction 3800 Instructions for Form 3800, General Business Credit 2016 Instruction 3800 Instructions for Form 3800, General Business Credit 2015 Instruction 3800 Instructions for Form 3800, General Business Credit 2014 Instruction 3800 Instructions for Form 3800, General Business Credit 2013 Instruction 3800 Instructions for Form 3800, General Business Credit 2012 Instruction 3800 Instructions for Form 3800, General Business Credit 2011 Instruction 3800 Instructions for Form 3800, General Business Credit 2010 Instruction 3800 Instructions for Form 3800, General Business Credit 2009 Instruction 3800 Instructions for Form 3800, General Business Credit 2008 Instruction 3800 Instructions 2007 Instruction 3800 Instructions 2006 Instruction 3800 Instructions 2001 Instruction 3800 Instructions 2000 Instruction 3800 Instructions 1999 Instruction 3800 Instructions 1998 Instruction 3800 Instructions 1997 Instruction 3800 Instructions 1996 Instruction 3800 Instructions 1995 Instruction 3800 Instructions 1994 Instruction 3800 Instructions 1993 Instruction 3800 Instructions 1992 Instruction 3800 Instructions 1991 Instruction 3800 Instructions 1990