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 10101 - 10125 of 18229Find 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 4466 Corporation Application for Quick Refund of Overpayment of Estimated Tax 1971 Form 4466 Corporation Application for Quick Refund of Overpayment of Estimated Tax 1970 Form 4466 Corporation Application for Quick Refund of Overpayment of Estimated Tax 1969 Form 4466 Corporation Application for Quick Refund of Overpayment of Estimated Tax 1968 Form 4469 Excess Medicare Tax Credit 1990 Publication 4505 Modernized e-File Test Package for Forms 1065/1065-B 2011 Publication 4505 Modernized e-File Test Package for Forms 1065/1065-B 2010 Publication 4505 Modernized e-File Test Package for Forms 1065/1065-B 2009 Publication 4505 Modernized e-File Test Package for Forms 1065/1065-B 2008 Publication 4505 Modernized e-File Test Package for Forms 1065/1065-B 2006 Form 4506 Request for Copy of Tax Return 2015 Form 4506 Request for Copy of Tax Return 2013 Form 4506 Request for Copy of Tax Return 2012 Form 4506 Request for Copy of Tax Return 2011 Form 4506 Request for Copy of Tax Return 2010 Form 4506 Request for Copy of Tax Return 2008 Form 4506 Request for Copy of Tax Return 2006 Form 4506 Request for Copy of Tax Return 2005 Form 4506 Request for Copy of Tax Return 2004 Form 4506 Request for Copy of Tax Return 1997 Form 4506 Request for Copy of Tax Return 1994 Form 4506 Request for Copy of Tax Return 1992 Form 4506 Request for Copy of Tax Return 1989 Form 4506 Request for Copy of Tax Return 1987 Form 4506 Request for Copy of Tax Return 1985 Pagination First page « First Previous page Previous … Page 401 Page 402 Page 403 Page 404 Current page 405 Page 406 Page 407 Page 408 Page 409 … Next page Next Last page Last »