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IRM Source Files
This page provides links to the Internal Revenue Manual (IRM) source files. The listing can be sorted by the file name or the date the file was posted. To locate forms, instructions and publications please see the Forms & Publications page.

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Name Date Size Description
irm_Numerical-Index_July_2018.zip 2018-08-10 18:15:03 1.94 MB IRM Numerical Index (Document 10988 July 2018 ZIP)
irm_Numerical-Index_August_2018.zip 2018-09-26 11:15:09 1.94 MB IRM Numerical Index (Document 10988 August 2018 ZIP)
irm_Numerical-Index_November_2018.zip 2018-12-07 20:15:04 1.93 MB IRM Numerical Index (Document 10988 November 2018 ZIP)
irm01-004-016.zip 2019-12-06 17:10:04 1.93 MB IRM 1.4.16 Zip Source File (ZIP)
irm01-004-016.zip 2024-01-11 16:10:03 1.93 MB IRM 1.4.16 Zip Source File (ZIP)
irm_Numerical-Index_August_2013.zip 2017-10-08 21:00:01 1.93 MB IRM Numerical Index (Document 10988 August 2013 ZIP)
irm_Numerical-Index_March_2020.zip 2020-04-02 10:10:05 1.93 MB IRM Numerical Index (Document 10988 March 2020 ZIP)
irm05-008-008.zip 2023-11-08 09:10:06 1.93 MB IRM 5.8.8 Zip Source File (ZIP)
irm05-008-008.zip 2019-12-18 14:10:05 1.93 MB IRM 5.8.8 Zip Source File (ZIP)
irm_Numerical-Index_June_2018.zip 2018-07-26 11:15:13 1.93 MB IRM Numerical Index (Document 10988 June 2018 ZIP)
irm_Numerical-Index_December_2018.zip 2019-02-04 09:09:09 1.93 MB IRM Numerical Index (Document 10988 December 2018 ZIP)
irm_Numerical-Index_August_2015.zip 2017-10-08 21:15:01 1.92 MB IRM Numerical Index (Document 10988 August 2015 ZIP)
irm_Numerical-Index_February_2020.zip 2020-03-03 19:10:04 1.92 MB IRM Numerical Index (Document 10988 February 2020 ZIP)
irm_Numerical-Index_September_2018.zip 2018-10-17 11:12:13 1.92 MB IRM Numerical Index (Document 10988 September 2018 ZIP)
irm_Numerical-Index_July_2021.zip 2021-08-10 10:10:07 1.92 MB IRM Numerical Index (Document 10988 July 2021 ZIP)
irm_Numerical-Index_January_2021.zip 2021-02-04 17:10:07 1.92 MB IRM Numerical Index (Document 10988 January 2021 ZIP)
irm_Numerical-Index_October_2019.zip 2019-12-06 13:10:03 1.92 MB IRM Numerical Index (Document 10988 October 2019 ZIP)
irm_Numerical-Index_December_2020.zip 2021-01-05 11:10:05 1.92 MB IRM Numerical Index (Document 10988 December 2020 ZIP)
irm_numerical-index_april_2012.zip 2017-10-08 23:15:01 1.92 MB IRM Numerical Index (Document 10988 April 2012 ZIP)
irm_Numerical-Index_November_2019.zip 2019-12-30 17:10:04 1.92 MB IRM Numerical Index (Document 10988 November 2019 ZIP)
irm_Numerical-Index_May_2012.zip 2017-10-08 22:30:01 1.91 MB IRM Numerical Index (Document 10988 May 2012 ZIP)
irm_Numerical-Index_September_2012.zip 2017-10-08 23:00:02 1.91 MB IRM Numerical Index (Document 10988 September 2012 ZIP)
irm_Numerical-Index_October_2012.zip 2017-10-08 22:45:01 1.91 MB IRM Numerical Index (Document 10988 October 2012 ZIP)
irm_numerical-index_march_2012.zip 2017-10-08 23:15:01 1.91 MB IRM Numerical Index (Document 10988 March 2012 ZIP)
irm_Numerical-Index_February_2018.zip 2018-03-12 22:23:24 1.91 MB IRM Numerical Index (Document 10988 February 2018 ZIP)
irm_Numerical-Index_May_2013.zip 2017-10-08 22:30:01 1.91 MB IRM Numerical Index (Document 10988 May 2013 ZIP)
irm_Numerical-Index_December_2019.zip 2020-01-03 08:10:04 1.91 MB IRM Numerical Index (Document 10988 December 2019 ZIP)
irm_Numerical-Index_January_2013.zip 2017-10-08 21:45:02 1.91 MB IRM Numerical Index (Document 10988 January 2013 ZIP)
irm_Numerical-Index_April_2013.zip 2017-10-08 21:00:01 1.91 MB IRM Numerical Index (Document 10988 April 2013 ZIP)
irm_numerical-index_december_2011.zip 2017-10-08 23:15:01 1.91 MB IRM Numerical Index (Document 10988 December 2011 ZIP)
irm_Numerical-Index_March_2013.zip 2017-10-08 22:15:02 1.91 MB IRM Numerical Index (Document 10988 March 2013 ZIP)
irm_numerical-index_february_2012.zip 2017-10-08 23:15:01 1.91 MB IRM Numerical Index (Document 10988 February 2012 ZIP)
irm_numerical-index_january_2012.zip 2017-10-08 23:15:01 1.91 MB IRM Numerical Index (Document 10988 January 2012 ZIP)
irm_Numerical-Index_August_2012.zip 2017-10-08 21:00:01 1.91 MB IRM Numerical Index (Document 10988 August 2012 ZIP)
irm_Numerical-Index_November_2012.zip 2017-10-08 22:45:01 1.91 MB IRM Numerical Index (Document 10988 November 2012 ZIP)
irm_Numerical-Index_June_2013.zip 2017-10-08 22:00:01 1.91 MB IRM Numerical Index (Document 10988 June 2013 ZIP)
irm_Numerical-Index_August_2017.zip 2017-10-04 12:45:02 1.91 MB IRM Numerical Index (Document 10988 August 2017 ZIP)
irm_Numerical-Index_June_2012.zip 2017-10-08 22:00:01 1.9 MB IRM Numerical Index (Document 10988 June 2012 ZIP)
irm_Numerical-Index_July_2012.zip 2017-10-08 21:45:02 1.9 MB IRM Numerical Index (Document 10988 July 2012 ZIP)
irm_Numerical-Index_July_2020.zip 2020-08-11 09:10:05 1.89 MB IRM Numerical Index (Document 10988 July 2020 ZIP)
irm_Numerical-Index_August_2020.zip 2020-09-04 11:10:05 1.89 MB IRM Numerical Index (Document 10988 August 2020 ZIP)
irm_Numerical-Index_April_2020.zip 2020-05-06 09:10:05 1.89 MB IRM Numerical Index (Document 10988 April 2020 ZIP)
irm_Numerical-Index_November_2020.zip 2020-12-10 09:10:05 1.88 MB IRM Numerical Index (Document 10988 November 2020 ZIP)
irm04-019-003r.zip 2023-10-30 16:10:08 1.88 MB IRM 4.19.3 Zip Source File (ZIP)
irm04-019-003r.zip 2019-10-08 14:10:03 1.88 MB IRM 4.19.3 Zip Source File (ZIP)
irm01-011-008.zip 2023-12-05 14:10:06 1.87 MB IRM 1.11.8 Zip Source File (ZIP)
irm01-011-008.zip 2019-11-21 12:10:05 1.87 MB IRM 1.11.8 Zip Source File (ZIP)
irm25-001-009r.zip 2022-10-11 20:10:07 1.87 MB IRM 25.1.9 Zip Source File (ZIP)
irm25-001-009r.zip 2019-04-28 04:15:09 1.87 MB IRM 25.1.9 Zip Source File (ZIP)
irm_Numerical-Index_September_2021.zip 2021-10-06 19:10:05 1.87 MB IRM Numerical Index (Document 10988 September 2021 ZIP)