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 Mostrando 16676 - 16700 of 22842Buscar ayuda Buscar Prior Year » RegExReplace » Product Number Prior Year » Revision Date Prior Year » Title Mostrar por página 2550100200 Buscar Número de producto Título Fecha de revisión Instruction 6478 Instructions for Form 6478, Biofuel Producer Credit 2017 Instruction 6478 Instructions for Form 6478, Biofuel Producer Credit 2016 Instruction 6478 Instructions for Form 6478, Biofuel Producer Credit 2015 Instruction 6478 Instructions for Form 6478, Credit for Alcohol Used as Fuel 2014 Form 6497 Information Return of Nontaxable Energy Grants or Subsidized Energy Financing 2019 Form 6497 Information Return of Nontaxable Energy Grants or Subsidized Energy Financing 2011 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 Pagination First page « Primero Previous page Anterior … Page 664 Page 665 Page 666 Page 667 Página actual 668 Page 669 Page 670 Page 671 Page 672 … Next page Siguiente Last page Último »