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 101 - 110 of 110Find Help Find Prior Year » RegExReplace » Product Number Prior Year » Revision Date Prior Year » Title Show per page 2550100200 SearchClear Product Number Title Revision Date Instruction 3520-A Instructions 2006 Instruction 3520-A Instructions 2005 Instruction 3520-A Instructions 2004 Instruction 3520-A Instructions 2003 Instruction 3520-A Instructions 2002 Instruction 3520-A Instructions 2001 Instruction 3520-A Instructions 2000 Instruction 3520-A Instructions 1999 Instruction 3520-A Instructions 1998 Instruction 3520-A Instructions 1997 Pagination First page « First Previous page Previous Page 1 Page 2 Page 3 Page 4 Current page 5