ISO Tariff - Current and Archive

Document history

• Current Apr. 15, 2025

  This is the current effective tariff document.

  Download (3.1 MB)
• Archive Feb. 1, 2025

  This is the tariff document that was effective from February 1, 2025 to April 14, 2025.

  Download (3.3 MB)
• Archive Apr. 1, 2025

  This is the tariff document that was effective from January 1, 2025 to January 31, 2025.

  Download (2.8 MB)
• Archive Jan. 1, 2024

  This is the tariff document that was effective from January 1, 2024 to December 31, 2024.

  Download (2.3 MB)
• Archive Nov. 27, 2023

  This is the tariff document that was effective from November 27, 2023 to December 31, 2023.

  Download (2.3 MB)
• Archive Sep. 1, 2023

  This is the tariff document that was effective from September 1, 2023 to November 26, 2023.

  Download ()
• Archive Jul. 20, 2023

  This is the tariff document that was effective from July 20, 2023 to August 31, 2023.

  Download ()
• Archive Jan. 1, 2023

  This is the tariff document that was effective from January 1, 2023 to July 19, 2023.

  Download ()
• Archive Dec. 31, 2022

  This is the tariff that was in effect as of December 31, 2022.

  Download (1.5 MB)
• Archive Dec. 31, 2021

  This is the tariff document that was effective from July 1, 2021 to December 31, 2021.

  Download (1.3 MB)
• Archive Jan. 1, 2021

  This is the tariff document that was effective from January 1, 2021 to June 30, 2021.

  Download (1.6 MB)
• Archive Apr. 1, 2020

  This is the tariff document that was effective from April 1, 2020 to December 31, 2020.

  Download (1 MB)
• Archive Jan. 1, 2019

  This is the tariff document that was effective January 1, 2019 to March 31, 2020.

  Download (1.1 MB)
• Archive Dec. 31, 2018

  This is the tariff document that was effective January 1, 2018 to December 31, 2018.

  Download (1.2 MB)
• Archive Jan. 1, 2017

  This is the tariff document that was effective January 1, 2017 to December 31, 2017.

  Download (922 KB)
• Archive Apr. 1, 2016

  This is the tariff document that was effective April 1, 2016 through December 31, 2016.

  Download (896 KB)
• Archive Jan. 1, 2016

  This is the tariff document that was effective January 1, 2016 through March 31, 2016.

  Download (844 KB)
• Archive Jul. 1, 2011

  This is the tariff document that was effective July 1, 2011 to September 30, 2013

  Download (518 KB)
• Archive Oct. 1, 2013

  This is the tariff document that was effective October 1, 2013 to June 30, 2015

  Download (493 KB)
• Archive Jul. 1, 2015

  This is the tariff document that was effective July 1, 2015 through December 31, 2015.

  Download (822 KB)
• Archive Jan. 1, 2010

  This is the tariff that was effective January 1, 2010 to June 30, 2011

  Download (293 KB)
• Archive Aug. 1, 2008

  This is the tariff that was effective August 1, 2008 to December 31, 2009

  Download (213 KB)
• Archive May. 1, 2008

  This is the tariff document that was effective May 1, 2008 to July 31, 2008

  Download (169 KB)
• Archive Jan. 1, 2008

  This is the tariff that was effective January 1, 2008 to April 30, 2008

  Download (544 KB)
• Archive Jan. 1, 2007

  This is the tariff that was effective January 1, 2007 to December 31, 2007

  Download (166 KB)
• Archive Jan. 1, 2006

  This is the tariff document that was effective January 1, 2006 to December 31, 2006

  Download (165 KB)
• Archive Jan. 1, 2005

  This is the tariff document that was effective January 1, 2005 to December 31, 2005

  Download (157 KB)
• Archive Jan. 1, 2004

  This is the tariff that was effective January 1, 2004 to December 31, 2004

  Download (375 KB)
• Archive Dec. 1, 2003

  This is the tariff that was effective December 1, 2003 to December 31, 2003

  Download (368 KB)
• Archive Nov. 1, 2002

  This is the tariff document that was effective November 1, 2002 to November 30, 2003

  Download (162 KB)