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 16601 - 16625 of 22715Find Help Find Prior Year » RegExReplace » Product Number Prior Year » Revision Date Prior Year » Title Show per page 2550100200 Search Product Number Title Revision Date Form 6497 Information Return of Nontaxable Energy Grants or Subsidized Energy Financing 2007 Form 6497 Information Return of Nontaxable Energy Grants or Subsidized Energy Financing 2004 Form 6497 Information Return of Nontaxable Energy Grants or Subsidized Energy Financing 1998 Form 6497 Information Return of Nontaxable Energy Grants or Subsidized Energy Financing 1995 Form 6497 Information Return of Nontaxable Energy Grants or Subsidized Energy Financing 1993 Form 6497 Information Return of Nontaxable Energy Grants or Subsidized Energy Financing 1990 Form 6497 Information Return of Nontaxable Energy Grants or Subsidized Energy Financing 1987 Form 6497 Information Return of Nontaxable Energy Grants or Subsidized Energy Financing 1985 Form 6497 Information Return of Nontaxable Energy Grants or Subsidized Energy Financing 1982 Form 6497 Information Return of Nontaxable Energy Grants or Subsidized Energy Financing 1981 Form 6627 Environmental Taxes 2024 Form 6627 Environmental Taxes 2023 Form 6627 Environmental Taxes 2022 Form 6627 Environmental Taxes 2021 Form 6627 Environmental Taxes 2020 Form 6627 Environmental Taxes 2019 Form 6627 Environmental Taxes 2018 Form 6627 Environmental Taxes 2017 Form 6627 Environmental Taxes 2016 Form 6627 Environmental Taxes 2015 Form 6627 Environmental Taxes 2014 Form 6627 Environmental Taxes 2013 Form 6627 Environmental Taxes 2012 Form 6627 Environmental Taxes 2011 Form 6627 Environmental Taxes 2010 Pagination First page « First Previous page Previous … Page 661 Page 662 Page 663 Page 664 Current page 665 Page 666 Page 667 Page 668 Page 669 … Next page Next Last page Last »