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Número de producto Título Fecha de revisión
Form 6478 Alcohol and Cellulosic Biofuel Fuels Credit 2005
Form 6478 Credit for Alcohol Used as Fuel 2004
Form 6478 Credit for Alcohol Used as Fuel 2003
Form 6478 Credit for Alcohol Used as Fuel 2002
Form 6478 Credit for Alcohol Used as Fuel 2001
Form 6478 Credit for Alcohol Used as Fuel 2000
Form 6478 Credit for Alcohol Used as Fuel 1999
Form 6478 Credit for Alcohol Used as Fuel 1998
Form 6478 Credit for Alcohol Used as Fuel 1997
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

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