ISO Tariff - Current and Archive
Document history
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This is the current effective Tariff document.
Download (3.1 MB) -
This is the tariff document that was effective from October 17, 2025 to December 31, 2025.
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This is the tariff document that was effective from April 15, 2025 to October 16, 2025.
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This is the tariff document that was effective from February 1, 2025 to April 14, 2025.
Download (3.3 MB) -
This is the tariff document that was effective from January 1, 2025 to January 31, 2025.
Download (2.8 MB) -
This is the tariff document that was effective from January 1, 2024 to December 31, 2024.
Download (2.3 MB) -
This is the tariff document that was effective from November 27, 2023 to December 31, 2023.
Download (2.3 MB) -
This is the tariff document that was effective from September 1, 2023 to November 26, 2023.
Download (2.4 MB) -
This is the tariff document that was effective from July 20, 2023 to August 31, 2023.
Download (2.3 MB) -
This is the tariff document that was effective from January 1, 2023 to July 19, 2023.
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This is the tariff that was in effect as of December 31, 2022.
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This is the tariff document that was effective from July 1, 2021 to December 31, 2021.
Download (1.3 MB) -
This is the tariff document that was effective from April 1, 2020 to December 31, 2020.
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This is the tariff document that was effective January 1, 2017 to December 31, 2017.
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This is the tariff document that was effective January 1, 2019 to March 31, 2020.
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This is the tariff document that was effective from January 1, 2021 to June 30, 2021.
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This is the tariff document that was effective January 1, 2018 to December 31, 2018.
Download (1.2 MB) -
This is the tariff document that was effective January 1, 2016 through March 31, 2016.
Download (844 KB) -
This is the tariff document that was effective July 1, 2011 to September 30, 2013
Download (518 KB) -
This is the tariff document that was effective October 1, 2013 to June 30, 2015
Download (493 KB) -
This is the tariff document that was effective July 1, 2015 through December 31, 2015.
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This is the tariff that was effective January 1, 2010 to June 30, 2011
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This is the tariff that was effective August 1, 2008 to December 31, 2009
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This is the tariff document that was effective May 1, 2008 to July 31, 2008
Download (169 KB) -
This is the tariff that was effective January 1, 2008 to April 30, 2008
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This is the tariff that was effective January 1, 2007 to December 31, 2007
Download (166 KB) -
This is the tariff document that was effective January 1, 2006 to December 31, 2006
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This is the tariff document that was effective January 1, 2005 to December 31, 2005
Download (157 KB) -
This is the tariff that was effective January 1, 2004 to December 31, 2004
Download (375 KB) -
This is the tariff that was effective December 1, 2003 to December 31, 2003
Download (368 KB) -
This is the tariff document that was effective November 1, 2002 to November 30, 2003
Download (162 KB) -
This is the tariff document that was effective April 1, 2016 through December 31, 2016.
Download (896 KB)
