Find IRS forms, instructions, publications, and notices for prior years back to 1864.

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寻求帮助
产品编号 标题 修订版日期
Form 6478 Credit for Alcohol Used as Fuel 1996
Form 6478 Credit for Alcohol Used as Fuel 1995
Form 6478 Credit for Alcohol Used as Fuel 1994
Form 6478 Credit for Alcohol Used as Fuel 1993
Form 6478 Credit for Alcohol Used as Fuel 1992
Form 6478 Credit for Alcohol Used as Fuel 1991
Form 6478 Credit for Alcohol Used as Fuel 1990
Instruction 6478 Instructions for Form 6478, Biofuel Producer Credit 2023
Instruction 6478 Instructions for Form 6478, Biofuel Producer Credit 2020
Instruction 6478 Instructions for Form 6478, Biofuel Producer Credit 2018
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