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 - 11 of 11Find 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 1138 Extension of Time For Payment of Taxes By a Corporation Expecting a Net Operating Loss Carryback 2018 Form 1138 Extension of Time For Payment of Taxes By a Corporation Expecting a Net Operating Loss Carryback 2016 Form 1138 Extension of Time For Payment of Taxes By a Corporation Expecting a Net Operating Loss Carryback 2011 Form 1138 Extension of Time For Payment of Taxes By a Corporation Expecting a Net Operating Loss Carryback 2005 Form 1138 Extension of Time For Payment of Taxes By a Corporation Expecting a Net Operating Loss Carryback 1998 Form 1138 Extension of Time For Payment of Taxes By a Corporation Expecting a Net Operating Loss Carryback 1995 Form 1138 Extension of Time For Payment of Taxes By a Corporation Expecting a Net Operating Loss Carryback 1992 Form 1138 Extension of Time For Payment of Taxes By a Corporation Expecting a Net Operating Loss Carryback 1989 Form 1138 Extension of Time For Payment of Taxes By a Corporation Expecting a Net Operating Loss Carryback 1987 Form 1138 Extension of Time For Payment of Taxes By a Corporation Expecting a Net Operating Loss Carryback 1985 Form 1138 Extension of Time For Payment of Taxes By a Corporation Expecting a Net Operating Loss Carryback 1984
