Tax Treaty developments GCC Member States

Kuwait and Argentina have initiated talks on a Double Tax Treaty

According to a 10 August 2026 press update from Argentinian Authorities, Argentina and Kuwait have held talks on concluding a Double Tax Treaty (DTT) between the two countries. We will report on further developments as they occur.

 

Double Tax Treaty between Bahrain and Jersey enters into force

On 30 June 2026, the Bahraini – Jersey DTT entered into force. The treaty generally applies from 1 January 2027 for withholding and other taxes. Further developments will be reported as they occur.

 

Bahrain ratified Double Tax Treaty with Saudi Arabia

On 14 June 2026, Bahrain has ratified the DTT with Saudi Arabia, which was concluded in 2025. We will report on further developments as they occur.

 

Hungarian government authorized amending protocol to Double Tax Treaty with Kuwait

According to an official press release on 29 June 2026, the Hungarian government has authorized the signing of an amending protocol to the DTT of 1994, with Kuwait. Further developments will be reported as they occur.

 

United Arab Emirates – Monaco Double Tax Treaty enters into force

On 12 June 2026, the DTT between the UAE and Monaco entered into force. The treaty generally applies from 1 January 2027 for withholding and other taxes. We will report on further developments as they occur.

 

Saudi Arabia and Canada agree on negotiations for a Double Tax Treaty

According to a press release of 9 July 2026, Saudi Arabia and Canada agreed to initiate negotiations for a DTT between the two countries. Further developments will be reported as they occur.

 

Kazakhstan ratifies Double Tax Treaty with Oman

According to a press release of 10 June 2026, the President of Kazakhstan has signed a law that ratifies the DTT between Oman and Kazakhstan. We will report on further developments as they occur.

 

Uruguay approves Double Tax Treaty with Qatar

On 7 July 2026, the Uruguayan Senate has approved the DTT between Uruguay and Qatar, which was concluded in 2025. Further developments will be reported as they occur.

 

Qatar – Estonia Double Tax Treaty enters into force

On 26 June 2026, the DTT between Qatar and Estonia entered into force. The treaty generally applies from 1 January 2027 for withholding and other taxes. We will report on further developments as they occur.

 

Key takeaway

The GCC Member States continue expanding and updating their Double Tax Treaty networks for the benefit of international businesses.