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.

  1. Enter a term in the Find box.
  2. Click the Search button.
Find Help
Number UILC Subject Release Date
201431032 501.35-00 "Exclusively" Test 08/01/2014
201617011 501.35-00 "Exclusively" Test 04/22/2016
201101036 501.35-00 "Exclusively" Test 01/07/2011
201511024 501.35-00 "Exclusively" Test 03/13/2015
200950049 501.35-00 "Exclusively" Test 12/11/2009
202349014 501.35-00 "Exclusively" Test 12/08/2023
202405006 501.35-00 "Exclusively" Test 02/02/2024
202416014 501.35-00 "Exclusively" Test 04/19/2024
202444009 501.35-00 "Exclusively" Test 11/01/2024
202442012 501.35-00 "Exclusively" Test 10/31/2024
202429017 501.35-00 "Exclusively" Test 07/19/2024
202431014 501.35-00 "Exclusively" Test 08/02/2024
202431015 501.35-00 "Exclusively" Test 08/02/2024
201152019 501.35-00 "Exclusively" Test 12/30/2011
202422013 501.35-00 "Exclusively" Test 05/31/2024
201149045 501.35-00 "Exclusively" Test 12/09/2011
201345031 501.35-00 "Exclusively" Test 11/08/2013
201405023 501.35-00 "Exclusively" Test 01/31/2014
201303020 501.35-00 "Exclusively" Test 01/18/2013
201334045 501.35-00 "Exclusively" Test 08/23/2013
202451019 501.35-00 "Exclusively" Test 12/20/2024
202504019 501.35-00 "Exclusively" Test 01/24/2025
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