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

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Publication 4164 Modernized e-file Guide for Software Developers and Transmitters 2003
Publication 4205 Modernized e-File Test Package for Exempt Organization Filings 2012
Publication 4205 Modernized e-File Test Package for Exempt Organization Filings 2011
Publication 4205 Modernized e-File Test Package for Exempt Organization Filings 2010
Publication 4205 Modernized e-File Test Package for Exempt Organization Filings 2009
Publication 4205 Modernized e-File Test Package for Exempt Organization Filings 2008
Publication 4205 Modernized e-File Test Package for Exempt Organization Filings, Tax Year 2007 2007
Publication 4210 Individual Nationwide Analysis 2009
Publication 4210 Individual Nationwide Analysis 2008
Form 4219 Statement of Liability of Lender, Surety, or Other Person for Withholding Taxes 2014
Form 4255 Recapture of Investment Credit 2023
Form 4255 Recapture of Investment Credit 2016
Form 4255 Recapture of Investment Credit 2012
Form 4255 Recapture of Investment Credit 2010
Form 4255 Recapture of Investment Credit 2006
Form 4255 Recapture of Investment Credit 2000
Form 4255 Recapture of Investment Credit 1997
Form 4255 Recapture of Investment Credit 1994
Form 4255 Recapture of Investment Credit 1991
Form 4255 Recapture of Investment Credit 1988
Form 4255 Recapture of Investment Credit 1986
Form 4255 Recapture of Investment Credit 1985
Form 4255 Recapture of Investment Credit 1982
Form 4255 Recapture of Investment Credit 1981
Form 4255 Recapture of Investment Credit 1980