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

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Form 8820 Orphan Drug Credit 2005
Form 8820 Orphan Drug Credit 2004
Form 8820 Orphan Drug Credit 2003
Form 8820 Orphan Drug Credit 2002
Form 8820 Orphan Drug Credit 2001
Form 8820 Orphan Drug Credit 2000
Form 8820 Orphan Drug Credit 1999
Form 8820 Orphan Drug Credit 1998
Form 8820 Orphan Drug Credit 1997
Form 8820 Orphan Drug Credit 1996
Form 8821 Tax Information Authorization 2021
Form 8821 Tax Information Authorization 2020
Form 8821 Tax Information Authorization 2018
Form 8821 Tax Information Authorization 2015
Form 8821 Tax Information Authorization 2012
Form 8821 Tax Information Authorization 2011
Form 8821 Tax Information Authorization 2008
Form 8821 Tax Information Authorization 2004
Form 8821 Tax Information Authorization 2000
Form 8821 Tax Information Authorization 1998
Form 8821 Tax Information Authorization 1995
Form 8821 Tax Information Authorization 1993
Form 8821 Tax Information Authorization 1991
Instruction 8821 Instructions for Form 8821, Tax Information Authorization 2021
Instruction 8821 Instructions for Form 8821, Tax Information Authorization 2020

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