IRS Written Determinations are documents the IRS is required to make "...open to public inspection..." pursuant to the provisions of I.R.C. Sec. 6110. The documents prepared for release each week are made available to the public every Friday morning, and can either be retrieved from the list below or directly from the Written Determinations download folder.

View more information about Written Determinations or Using IRS Forms, Instructions, Publications and Other Item Files.

IRS Written Determinations do not contain proprietary ("Official Use Only") information. However, it is important to note that pursuant to 26 USC § 6110(k)(3) such items cannot be used or cited as precedent.

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Number UILC Subject Release Date
202539012 501.35-00 "Exclusively" Test 09/26/2025
202540014 501.35-00 "Exclusively" Test 10/03/2025
201747009 501.35-00 "Exclusively" Test 11/24/2017
201801013 501.35-00 "Exclusively" Test 01/05/2018
201718038 501.35-00 "Exclusively" Test 05/05/2017
201721022 501.35-00 "Exclusively" Test 05/26/2017
201729022 501.35-00 "Exclusively" Test 07/21/2017
201808020 501.35-00 "Exclusively" Test 02/23/2018
201818018 501.35-00 "Exclusively" Test 05/04/2018
201737013 501.35-00 "Exclusively" Test 09/15/2017
201733017 501.35-00 "Exclusively" Test 08/18/2017
201833032 501.35-00 "Exclusively" Test 08/17/2018
201511024 501.35-00 "Exclusively" Test 03/13/2015
202552032 501.35-00 "Exclusively" Test 12/26/2025
202552036 501.35-00 "Exclusively" Test 12/26/2025
202550033 501.35-00 "Exclusively" Test 12/12/2025
202550044 501.35-00 "Exclusively" Test 12/12/2025
202607023 501.35-00 "Exclusively" Test 02/13/2026
201001002 351.04-00 "Know-How"--Property v. Service 01/08/2010
201506008 351.05-00 "Property" Defined 02/06/2015
201552026 351.05-00 "Property" Defined 12/24/2015
202146006 346.00-00 (Amended-1982) Partial Liquidation Defined 11/19/2021
200922031 0552.06-05 (B)(5) Deliberative Process, Attorney Client, Attorney Work Product 05/29/2009
200501007 1362.01-3 (blank) 01/07/2005
200543048 2642.-01-00 (blank) 10/28/2005