Bahrain, Iceland join Vienna treaty convention
Bahrain and Iceland joined the 1969 Vienna Convention in September 2025. Bahrain and Iceland have formally joined the 1969 Vienna Convention on the Law of Treaties. The countries deposited their instruments of accession on 24 and 25 September
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Austria: Council of Ministers authorise signing of tax treaty with Oman
Austrian Council of Ministers authorised the signing of an income and capital tax treaty with Oman The Austrian Council of Ministers authorised the signing of an income and capital tax treaty with Oman on 24 September 2025. The treaty
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Pakistan, Lithuania sign income tax treaty
The agreement aims to prevent double taxation on income and capital between the two countries while addressing tax avoidance and evasion issues. Pakistan’s Foreign Ministry announced, on 24 September 2025, that Pakistan and Lithuania signed an
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Kuwait proposes establishing tax treaty with Panama
The discussions focused on strengthening bilateral relations and enhancing cooperation in areas of mutual interest, including investment opportunities. Panama’s Ministry of Foreign Affairs announced that President José Raúl Mulino held a
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Philippines, Singapore to revise income tax treaty
The first round of negotiations took place from 2-4 September 2025. The Philippines’ Department of Finance announced the beginning of discussions to revise its 1977 tax treaty with Singapore on 25 September 2025, with the aim of updating the
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Cameroon, Czech Republic tax treaty enters into force
Signed on 7 February 2023, the agreement aims to eliminate double taxation on income and prevent tax evasion and avoidance. The income tax treaty between Cameroon and the Czech Republic entered into force on 7 July 2025. Signed on 7 February
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Estonia: Government approves income tax treaty with Andorra
The tax treaty aims to prevent double taxation and address tax avoidance between the two jurisdictions. Estonia’s government approved the signing of a tax treaty with Andorra covering income and capital taxes on 18 September 2025. This
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Kuwait, San Marino tax treaty enters into force
Signed on 27 September 2024, this is the first income tax treaty between the two jurisdictions. The income and capital tax treaty between Kuwait and San Marino entered into force on 14 May 2025. Signed on 27 September 2024, this is the first
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Czech Republic, Malta sign new tax treaty
The new tax treaty will replace the existing 1996 agreement between the nations. The Czech Republic and Malta have signed a new income and capital taxes treaty on 24 September 2025. This new agreement is set to replace the existing 1996 Czech
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Ukraine: Cabinet of Ministers approves first income tax treaty with Australia
This is the first ever income tax treaty between Ukraine and Australia. Ukraine's Cabinet of Ministers approved the signing of an income tax treaty with Australia on 17 September 2025. The agreement will eliminate double taxation concerning
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Guernsey ratifies tax treaty with Bahrain
This is the first income tax treaty between the two jurisdictions. Guernsey approved the 2024 income tax treaty with Bahrain through the income tax Ordinance that formalised the agreement on 3 September 2025. The treaty, signed on 29
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Brazil completes ratification of tax treaty protocol with Singapore
This protocol is the first amendment to the 2018 Brazil–Singapore income tax treaty. Brazil has issued Legislative Decree No. 203 on 19 September 2025, which marks the ratification of the protocol to its 2018 income tax treaty with
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Czech Republic, Kenya sign income tax treaty
This is the first-ever income tax treaty between the two countries. The Czech Republic and Kenya signed an income tax treaty on 23 September 2025. The agreement aims to eliminate double taxation of income and prevent tax evasion between the
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Brazil, India tax treaty protocol enters into force
This protocol to the tax treaty will enter into force on 18 October 2025. The amending protocol to the tax treaty between Brazil and India (1988), as amended by the 2013 protocol, will enter into force on 18 October 2025. This protocol,
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Egypt ratifies second protocol to UAE tax treaty
Egypt ratified a second protocol to its UAE tax treaty. Egypt has ratified a second protocol amending its 2019 agreement with the UAE on the avoidance of double taxation and the prevention of tax evasion concerning income taxes. The protocol
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Slovak Republic: Parliament approves amending protocol to tax treaty with Iran
The Slovak Republic and Iran signed a protocol amending the 2016 Iran-Slovak Republic income tax treaty on 9 April 2025. The Slovak Republic’s parliament gave its approval to a protocol amending the 2016 income tax treaty with Iran on 16
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Brazil: Senate approves tax treaty protocol with Singapore
Signed on 17 April 2023, this is the first update to the 2018 Brazil - Singapore income tax treaty. Brazil’s Senate has approved the amending protocol to the 2018 Brazil - Singapore income tax treaty through Draft Legislative Decree No.
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Portugal, UK sign new income tax treaty
The new income tax treaty will replace the 1968 Portugal-UK tax treaty when it takes effect. Portugal and the UK signed a new income tax treaty on 15 September 2025. The agreement aims to prevent or reduce double taxation between the two
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