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

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產品編號 標題 修訂日期
Publication 55-B Internal Revenue Service Data Book 2022
Publication 55-B Internal Revenue Service Data Book 2021
Publication 55-B Internal Revenue Service Data Book 2020
Publication 55-B Internal Revenue Service Data Book 2019
Publication 55-B Internal Revenue Service Data Book 2018
Publication 55-B Internal Revenue Service Data Book 2017
Publication 55-B Internal Revenue Service Data Book 2016
Publication 55-B Internal Revenue Service Data Book 2015
Publication 55-B Internal Revenue Service Data Book 2014
Publication 55-B Internal Revenue Service Data Book 2013
Publication 55-B Internal Revenue Service Data Book 2012
Publication 55-B Internal Revenue Service Data Book 2011
Publication 55-B Internal Revenue Service Data Book 2010
Publication 55-B Internal Revenue Service Data Book 2009
Publication 55-B Internal Revenue Service Data Book 2008
Publication 55-B Internal Revenue Service Data Book 2006
Publication 55-B Internal Revenue Service Data Book 2005
Publication 55-B Internal Revenue Service Data Book 2004
Publication 55-B Internal Revenue Service Data Book 2003
Publication 55-B Internal Revenue Service Data Book 1998
Form 56 Notice Concerning Fiduciary Relationship 2022
Form 56 Notice Concerning Fiduciary Relationship 2019
Form 56 Notice Concerning Fiduciary Relationship 2017
Form 56 Notice Concerning Fiduciary Relationship 2015
Form 56 Notice Concerning Fiduciary Relationship 2011

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