Find IRS forms, instructions, publications, and notices for prior years back to 1864. 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 Showing 1 - 105 of 105Find Help Find Prior Year » RegExReplace » Product Number Prior Year » Revision Date Prior Year » Title Show per page 2550100200 SearchClear Product Number Title Revision Date Form 2350 Application for Extension of Time to File U.S. Income Tax Return 2013 Form 2350 Application for Extension of Time to File U.S. Income Tax Return 1995 Form 2350 Application for Extension of Time to File U.S. Income Tax Return 2011 Form 2350 Application for Extension of Time to File U.S. Income Tax Return 1993 Form 2350 Application for Extension of Time to File U.S. Income Tax Return 2008 Form 2350 Application for Extension of Time to File U.S. Income Tax Return 1989 Form 2350 Application for Extension of Time to File U.S. Income Tax Return 1996 Form 2350 Application for Extension of Time to File U.S. Income Tax Return 1988 Form 2350 Application for Extension of Time to File U.S. Income Tax Return 1973 Form 2350 Application for Extension of Time to File U.S. Income Tax Return 2018 Form 2350 Application for Extension of Time to File U.S. Income Tax Return 1992 Form 2350 Application for Extension of Time to File U.S. Income Tax Return 2012 Form 2350 Application for Extension of Time to File U.S. Income Tax Return 1990 Form 2350 Application for Extension of Time to File U.S. Income Tax Return 1977 Form 2350 Application for Extension of Time to File U.S. Income Tax Return 2015 Form 2350 Application for Extension of Time to File U.S. Income Tax Return 2006 Form 2350 Application for Extension of Time to File U.S. Income Tax Return 1976 Form 2350 Application for Extension of Time to File U.S. Income Tax Return 1998 Form 2350 Application for Extension of Time to File U.S. Income Tax Return 1978 Form 2350 Application for Extension of Time to File U.S. Income Tax Return 2014 Form 2350 Application for Extension of Time to File U.S. Income Tax Return 1999 Form 2350 Application for Extension of Time to File U.S. Income Tax Return 1983 Form 2350 Application for Extension of Time to File U.S. Income Tax Return 2002 Form 2350 Application for Extension of Time to File U.S. Income Tax Return 1997 Form 2350 Application for Extension of Time to File U.S. Income Tax Return 2016 Form 2350 Application for Extension of Time to File U.S. Income Tax Return 1975 Form 2350 Application for Extension of Time to File U.S. Income Tax Return 2021 Form 2350 Application for Extension of Time to File U.S. Income Tax Return 2023 Form 2350 Application for Extension of Time to File U.S. Income Tax Return 2022 Form 2350 Application for Extension of Time to File U.S. Income Tax Return 2020 Form 2350 Application for Extension of Time to File U.S. Income Tax Return 1986 Form 2350 Application for Extension of Time to File U.S. Income Tax Return 2019 Form 2350 Application for Extension of Time to File U.S. Income Tax Return 1985 Form 2350 Application for Extension of Time to File U.S. Income Tax Return 1987 Form 2350 Application for Extension of Time to File U.S. Income Tax Return 2017 Form 2350 Application for Extension of Time to File U.S. Income Tax Return 2003 Form 2350 Application for Extension of Time to File U.S. Income Tax Return 1991 Form 2350 Application for Extension of Time to File U.S. Income Tax Return 2007 Form 2350 Application for Extension of Time to File U.S. Income Tax Return 2005 Form 2350 Application for Extension of Time to File U.S. Income Tax Return 2010 Form 2350 Application for Extension of Time to File U.S. Income Tax Return 2004 Form 2350 Application for Extension of Time to File U.S. Income Tax Return 1994 Form 2350 Application for Extension of Time to File U.S. Income Tax Return 2001 Form 2350 Application for Extension of Time to File U.S. Income Tax Return 1984 Form 2350 Application for Extension of Time to File U.S. Income Tax Return 2009 Form 2350 Application for Extension of Time to File U.S. Income Tax Return 1980 Form 2350 Application for Extension of Time to File U.S. Income Tax Return 1981 Form 2350 Application for Extension of Time to File U.S. Income Tax Return 2000 Form 2350 (SP) Application for Extension of Time to File U.S. Income Tax Return (Spanish version) 2011 Form 2350 (SP) Application for Extension of Time to File U.S. Income Tax Return (Spanish version) 2018 Form 2350 (SP) Application for Extension of Time to File U.S. Income Tax Return (Spanish version) 2007 Form 2350 (SP) Application for Extension of Time to File U.S. Income Tax Return (Spanish version) 2014 Form 2350 (SP) Application for Extension of Time to File U.S. Income Tax Return (Spanish version) 2005 Form 2350 (SP) Application for Extension of Time to File U.S. Income Tax Return (Spanish version) 2016 Form 2350 (SP) Application for Extension of Time to File U.S. Income Tax Return (Spanish version) 2012 Form 2350 (SP) Application for Extension of Time to File U.S. Income Tax Return (Spanish version) 2019 Form 2350 (sp) Application for Extension of Time to File U.S. Income Tax Return (Spanish version) 2021 Form 2350 (sp) Application for Extension of Time to File U.S. Income Tax Return (Spanish version) 2022 Form 2350 (sp) Application for Extension of Time to File U.S. Income Tax Return (Spanish version) 2023 Form 2350 (SP) Application for Extension of Time to File U.S. Income Tax Return (Spanish version) 2020 Form 2350 (SP) Application for Extension of Time to File U.S. Income Tax Return (Spanish version) 2017 Form 2350 (SP) Application for Extension of Time to File U.S. Income Tax Return (Spanish version) 2009 Form 2350 (SP) Application for Extension of Time to File U.S. Income Tax Return (Spanish version) 2010 Form 2350 (SP) Application for Extension of Time to File U.S. Income Tax Return (Spanish version) 2015 Form 2350 (SP) Application for Extension of Time to File U.S. Income Tax Return (Spanish version) 2006 Form 2350 (SP) Application for Extension of Time to File U.S. Income Tax Return (Spanish version) 2013 Form 2350 (SP) Application for Extension of Time to File U.S. Income Tax Return (Spanish version) 2008 Form 8878 IRS e-file Signature Authorization for Form 4868 or Form 2350 2015 Form 8878 IRS e-file Signature Authorization for Form 4868 or Form 2350 2014 Form 8878 IRS e-file Signature Authorization for Form 4868 or Form 2350 2006 Form 8878 IRS e-file Signature Authorization for Form 4868 or Form 2350 2018 Form 8878 IRS e-file Signature Authorization for Form 4868 or Form 2350 2005 Form 8878 IRS e-file Signature Authorization for Form 4868 or Form 2350 2021 Form 8878 IRS e-file Signature Authorization for Form 4868 or Form 2350 2022 Form 8878 IRS e-file Signature Authorization for Form 4868 or Form 2350 2023 Form 8878 IRS e-file Signature Authorization for Form 4868 or Form 2350 2012 Form 8878 IRS e-file Signature Authorization for Form 4868 or Form 2350 2019 Form 8878 IRS e-file Signature Authorization for Form 4868 or Form 2350 2020 Form 8878 IRS e-file Signature Authorization for Form 4868 or Form 2350 2017 Form 8878 IRS e-file Signature Authorization for Form 4868 or Form 2350 2007 Form 8878 IRS e-file Signature Authorization for Form 4868 or Form 2350 2009 Form 8878 IRS e-file Signature Authorization for Form 4868 or Form 2350 2016 Form 8878 IRS e-file Signature Authorization for Form 4868 or Form 2350 2010 Form 8878 IRS e-file Signature Authorization for Form 4868 or Form 2350 2008 Form 8878 IRS e-file Signature Authorization for Form 4868 or Form 2350 2011 Form 8878 IRS e-file Signature Authorization for Form 4868 or Form 2350 2013 Form 8878 (SP) IRS e-file Signature Authorization for Application for Extension of Time to File Form 4868 (SP) or Form 2350 (SP) (Spanish version) 2008 Form 8878 (SP) IRS e-file Signature Authorization for Application for Extension of Time to File Form 4868 (SP) or Form 2350 (SP) (Spanish version) 2010 Form 8878 (SP) IRS e-file Signature Authorization for Application for Extension of Time to File Form 4868 (SP) or Form 2350 (SP) (Spanish version) 2006 Form 8878 (SP) IRS e-file Signature Authorization for Application for Extension of Time to File Form 4868 (SP) or Form 2350 (SP) (Spanish version) 2013 Form 8878 (SP) IRS e-file Signature Authorization for Application for Extension of Time to File Form 4868 (SP) or Form 2350 (SP) (Spanish version) 2018 Form 8878 (SP) IRS e-file Signature Authorization for Application for Extension of Time to File Form 4868 (SP) or Form 2350 (SP) (Spanish version) 2007 Form 8878 (sp) IRS e-file Signature Authorization for Form 4868 (SP) or Form 2350 (SP) (Spanish Version) 2021 Form 8878 (sp) IRS e-file Signature Authorization for Form 4868 (SP) or Form 2350 (SP) (Spanish Version) 2022 Form 8878 (sp) IRS e-file Signature Authorization for Form 4868 (sp) or Form 2350 (sp) (Spanish Version) 2023 Form 8878 (SP) IRS e-file Signature Authorization for Form 4868 (SP) or Form 2350 (SP) (Spanish Version) 2020 Form 8878 (SP) IRS e-file Signature Authorization for Form 4868 (SP) or Form 2350 (SP) (Spanish Version) 2019 Form 8878 (SP) IRS e-file Signature Authorization for Application for Extension of Time to File Form 4868 (SP) or Form 2350 (SP) (Spanish version) 2016 Form 8878 (SP) IRS e-file Signature Authorization for Application for Extension of Time to File Form 4868 (SP) or Form 2350 (SP) (Spanish version) 2017 Form 8878 (SP) IRS e-file Signature Authorization for Application for Extension of Time to File Form 4868 (SP) or Form 2350 (SP) (Spanish version) 2015 Form 8878 (SP) IRS e-file Signature Authorization for Application for Extension of Time to File Form 4868 (SP) or Form 2350 (SP) (Spanish version) 2005 Form 8878 (SP) IRS e-file Signature Authorization for Application for Extension of Time to File Form 4868 (SP) or Form 2350 (SP) (Spanish version) 2014 Form 8878 (SP) IRS e-file Signature Authorization for Application for Extension of Time to File Form 4868 (SP) or Form 2350 (SP) (Spanish version) 2012 Form 8878 (SP) IRS e-file Signature Authorization for Application for Extension of Time to File Form 4868 (SP) or Form 2350 (SP) (Spanish version) 2011 Form 8878 (SP) IRS e-file Signature Authorization for Application for Extension of Time to File Form 4868 (SP) or Form 2350 (SP) (Spanish version) 2009
