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Irm

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_2015.zip 2017-10-08 22:00:01 1.69 MB IRM Numerical Index (Document 10988 July 2015 ZIP)
irm_Numerical-Index_September_2023.zip 2023-10-11 14:10:06 1.69 MB IRM Numerical Index (Document 10988 September 2023 ZIP)
irm30-004-001.zip 2025-02-12 17:10:03 1.69 MB IRM 30.4.1 Zip Source File (ZIP)
irm_Numerical-Index_March_2023.zip 2023-04-13 15:10:08 1.69 MB IRM Numerical Index (Document 10988 March 2023 ZIP)
irm_Numerical-Index_March_2018.zip 2018-05-14 12:16:14 1.68 MB IRM Numerical Index (Document 10988 March 2018 ZIP)
irm_Numerical-Index_June_2017.zip 2017-10-08 22:15:02 1.68 MB IRM Numerical Index (Document 10988 June 2017 ZIP)
irm_Numerical-Index_December_2017.zip 2018-01-16 18:01:01 1.68 MB IRM Numerical Index (Document 10988 December 2017 ZIP)
irm_Numerical-Index_November_2016.zip 2017-10-02 17:45:02 1.68 MB IRM Numerical Index (Document 10988 November 2016 ZIP)
irm_Numerical-Index_March_2025.zip 2025-04-09 14:10:04 1.68 MB IRM Numerical Index (Document 10988 March 2025 ZIP)
irm_Numerical-Index_October_2017.zip 2017-11-17 18:23:08 1.68 MB IRM Numerical Index (Document 10988 October 2017 ZIP)
irm03-022-110r.zip 2025-09-04 16:10:04 1.68 MB IRM 3.22.110 Zip Source File (ZIP)
irm_Numerical-Index_December_2016.zip 2017-10-02 17:30:01 1.67 MB IRM Numerical Index (Document 10988 December 2016 ZIP)
irm03-011-012r.zip 2025-10-17 13:10:04 1.67 MB IRM 3.11.12 Zip Source File (ZIP)
irm02-003-015r.zip 2026-01-20 12:10:44 1.66 MB IRM 2.3.15 Zip Source File (ZIP)
irm_Numerical-Index_April_2017.zip 2017-10-08 21:15:01 1.66 MB IRM Numerical Index (Document 10988 April 2017 ZIP)
irm_Numerical-Index_April_2018.zip 2018-05-14 15:16:07 1.66 MB IRM Numerical Index (Document 10988 April 2018 ZIP)
irm_Numerical-Index_May_2017.zip 2017-10-08 22:30:01 1.66 MB IRM Numerical Index (Document 10988 May 2017 ZIP)
irm_numerical-index_november_2011.zip 2017-10-08 23:30:01 1.65 MB IRM Numerical Index (Document 10988 November 2011 ZIP)
irm_Numerical-Index_September_2017.zip 2017-10-27 10:57:36 1.64 MB IRM Numerical Index (Document 10988 September 2017 ZIP)
irm02-004-009.zip 2025-04-04 14:10:04 1.63 MB IRM 2.4.9 Zip Source File (ZIP)
irm35-011-001.zip 2025-02-12 17:10:03 1.62 MB IRM 35.11.1 Zip Source File (ZIP)
irm02-003-051.zip 2026-02-02 11:10:34 1.62 MB IRM 2.3.51 Zip Source File (ZIP)
irm_Numerical-Index_September_2015.zip 2017-10-08 23:00:02 1.61 MB IRM Numerical Index (Document 10988 September 2015 ZIP)
irm_Numerical-Index_May_2016.zip 2017-10-02 17:45:02 1.6 MB IRM Numerical Index (Document 10988 May 2016 ZIP)
irm_Numerical-Index_February_2023.zip 2023-04-13 15:10:08 1.6 MB IRM Numerical Index (Document 10988 February 2023 ZIP)
irm03-012-012r.zip 2025-10-21 13:10:04 1.6 MB IRM 3.12.12 Zip Source File (ZIP)
irm_Numerical-Index_June_2016.zip 2017-10-02 17:45:02 1.59 MB IRM Numerical Index (Document 10988 June 2016 ZIP)
irm_Numerical-Index_November_2025.zip 2025-12-09 12:10:39 1.58 MB IRM Numerical Index (Document 10988 November 2025 ZIP)
irm_Numerical-Index_September_2025.zip 2025-10-09 12:10:04 1.58 MB IRM Numerical Index (Document 10988 September 2025 ZIP)
irm_Numerical-Index_January_2023.zip 2023-04-13 15:10:08 1.57 MB IRM Numerical Index (Document 10988 January 2023 ZIP)
irm08-019-001.zip 2025-08-27 18:10:04 1.57 MB IRM 8.19.1 Zip Source File (ZIP)
irm02-004-045r.zip 2025-02-10 17:10:04 1.56 MB IRM 2.4.45 Zip Source File (ZIP)
irm_Numerical-Index_October_2025.zip 2025-11-24 13:10:02 1.56 MB IRM Numerical Index (Document 10988 October 2025 ZIP)
irm_Numerical-Index_December_2025.zip 2026-01-23 11:10:48 1.56 MB IRM 20.25.0 Zip Source File (ZIP)
irm_Numerical-Index_May_2024.zip 2024-06-13 16:10:03 1.56 MB IRM Numerical Index (Document 10988 May 2024 ZIP)
irm_Numerical-Index_January_2024.zip 2024-02-09 10:10:03 1.56 MB IRM Numerical Index (Document 10988 January 2024 ZIP)
irm03-022-003r.zip 2025-11-13 09:10:03 1.56 MB IRM 3.22.3 Zip Source File (ZIP)
irm_Numerical-Index_February_2025.zip 2025-03-10 12:10:04 1.56 MB IRM Numerical Index (Document 10988 February 2025 ZIP)
irm_Numerical-Index_March_2024.zip 2024-04-09 09:10:04 1.55 MB IRM Numerical Index (Document 10988 March ZIP)
irm09-004-012.zip 2025-07-01 13:50:15 1.55 MB IRM 9.4.12 Zip Source File (ZIP)
irm-numerical-index-august-2025.zip 2025-09-16 08:10:03 1.55 MB IRM Numerical Index (Document 10988 August 2025 ZIP)
irm02-004-040.zip 2025-02-12 16:10:04 1.54 MB IRM 2.4.40 Zip Source File (ZIP)
irm02-004-025.zip 2024-05-22 16:10:04 1.54 MB IRM 2.4.25 Zip Source File (ZIP)
irm21-007-002r.zip 2025-08-18 19:10:03 1.54 MB IRM 21.7.2 Zip Source File (ZIP)
irm_Numerical-Index_February_2024.zip 2024-03-07 12:10:03 1.53 MB IRM Numerical Index (Document 10988 February 2024 ZIP)
irm_Numerical-Index_April_2024.zip 2024-05-06 12:10:04 1.53 MB IRM Numerical Index (Document 10988 April 2024 ZIP)
irm_Numerical-Index_December_2023.zip 2024-01-04 15:10:04 1.53 MB IRM Numerical Index (Document 10988 December 2023 ZIP)
irm_Numerical-Index_June_2024.zip 2024-07-11 10:10:04 1.52 MB IRM Numerical Index (Document 10988 June 2024 ZIP)
irm_Numerical-Index_September_2024.zip 2024-10-16 14:10:04 1.52 MB IRM Numerical Index (Document 10988 September 2024 ZIP)
irm_Numerical-Index_July_2024.zip 2024-08-09 13:10:05 1.52 MB IRM Numerical Index (Document 10988 July 2024 ZIP)