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 Showing 1 - 8 of 8Find 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 1127 Application for Extension of Time for Payment of Tax Due to Undue Hardship 2020 Form 1127 Application for Extension of Time for Payment of Tax Due to Undue Hardship 2011 Form 1127 Application for Extension of Time for Payment of Tax Due to Undue Hardship 2010 Form 1127 Application for Extension of Time for Payment of Tax Due to Undue Hardship 1993 Form 1127 Application for Extension of Time for Payment of Tax Due to Undue Hardship 1992 Form 1127 Application for Extension of Time for Payment of Tax Due to Undue Hardship 1988 Form 1127 Application for Extension of Time for Payment of Tax Due to Undue Hardship 1986 Form 1127-A Application for Extension of Time for Payment of Income Tax for 2011 Due to Undue Hardship 2011