Public Services International The global union federation of workers in public services

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PSI is proud to represent workers across a range of key public sectors. Our sectoral work allows us to both recognize the unique needs of workers in different sectors while developing the key struggles which unite us all.
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To build the global strength of public sector trade unions to advance the rights and interests of working people and to promote quality public services as essential in building fair
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A source for the latest press releases, official publications and organizational news, you can also find a collection of media and past communications.
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Public Services International is a Global Union Federation of more than 700 trade unions representing 30 million workers in 154 countries. We bring their voices to the UN, ILO, WHO and other regional and global organisations. We defend trade union and workers' rights and fight for universal access to quality public services.
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unitary taxation

Unitary Taxation

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Feb 06, 2026

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Data explorer: Unitary taxation and formulary apportionment

Feb 06, 2026
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Feb 06, 2026

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Full report: Unitary taxation and formulary apportionment

Feb 06, 2026
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Feb 06, 2026

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Unitary taxation: What would formulary apportionment mean for countries and multinationals?

Feb 06, 2026
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Oct 14, 2022

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CICTAR - Microsoft: Gaming Global Taxes, Winning Government Contracts

Oct 14, 2022
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Sep 29, 2021

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G20 Agreement on International Taxation

Sep 29, 2021
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Oct 21, 2020

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Tax Brief 2 - Taxing Multinationals as Single Global Firms

Oct 21, 2020
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