According to preliminary media reports, on January 12, 2018, the Czech Republic and South Korea signed a DTA to replace their existing pact.
According to a January 12, 2018, update from the Irish Revenue, the country's DTA with Kazakhstan became effective on January 1, 2018, having entered into force on December 29, 2017.
Japan and Argentina launched DTA negotiations on January 10, 2018.
The United Arab Emirates Cabinet on January 7, 2018, approved two double tax agreements concluded with Moldova and Croatia.
Taiwanese Premier Lai Ching-Te has directed the Ministry of Finance to work towards a Taiwan-US tax treaty.
Cyprus and Saudi Arabia signed a DTA on January 3, 2018.
According to preliminary media reports, Colombia and Japan are negotiating a DTA.
Georgia and Moldova signed a DTA on November 29, 2017.
Luxembourg and Kosovo signed a DTA on December 8, 2017.
Switzerland and the United Kingdom signed a DTA Protocol on November 30, 2017.
According to an update from the Liechtenstein Government, the new DTA with the United Arab Emirates will become effective from January 1, 2018.
According to preliminary media reports, the Netherlands and Liechtenstein held a first round of DTA negotiations over three days ending November 17, 2017.
Saudi Arabia's Cabinet on November 28, 2017, authorized the signing of a DTA with Bulgaria.
Bahrain's Cabinet has approved the signing of a new DTA with Hong Kong, the state news agency said November 13, 2017.
Hong Kong announced on November 24, 2017, that its DTAs with Pakistan and Latvia had entered into force.
Finland on November 2, 2017, confirmed that a new DTA signed with Germany will be effective from January 1, 2018.
The DTA between Cyprus and Iran will become effective from January 1, 2018.
India ratified a third Protocol to its DTA with New Zealand on November 2, 2017, publishing a Notice in its Official Gazette.
Gibraltar and the United Kingdom are considering launching negotiations towards a DTA, according to recent comments from the UK's Economic Secretary to the Treasury.
Barbados and Italy have exchanged instruments of ratification in respect of a DTA, which will now become effective from January 1, 2018.
Switzerland's Government on October 25, 2017, adopted a dispatch on the DTA concluded with Pakistan, enabling its ratification.
Spain and Portugal signed a DTA on October 18, 2017.
Pakistan and Latvia initialed a DTA on October 25, 2017.
Spain and Romania signed a DTA on October 18, 2017.
Denmark and Japan signed a DTA Protocol on October 11, 2017.
The Bahamas and Finland signed a Protocol to amend their TIEA on October 19, 2017.
The Dutch lower house of parliament on October 24, 2017, approved the ratification of a DTA signed with Zambia.
Cyprus and Mauritius signed a DTA Protocol on October 23, 2017.
According to preliminary media reports, Armenia and Iran are to enter into negotiations to revise their DTA.
The United Kingdom and Ukraine signed a DTA Protocol on October 9, 2017.
According to preliminary media reports, Spain's Cabinet on October 6, 2017, approved the signing of a DTA and accompanying Protocol with Finland.
Russia and Japan signed a DTA on September 7, 2017.
A new TIEA between the Isle of Man and Turkey entered into force on October 7, 2017.
The United Kingdom and Belarus signed a DTA on September 26, 2017.
According to preliminary reports, Morocco intends to launch DTA negotiations with Togo.
Morocco on September 21, 2017, published a notice in its Official Gazette to ratify and bring into effect the DTA Protocol signed with Bahrain in April 2016.
At a meeting on September 27, 2017, Luxembourg and Sri Lanka committed to expediting the negotiation of a Protocol to their double tax agreement.
Burkina Faso and Turkey initialed a DTA at the conclusion of three-day negotiations on September 22, 2017.
Kuwait and Turkey signed a DTA Protocol on September 15, 2017.
An order to bring into force South Africa's DTA with Cameroon was published in the nation's Official Gazette on September 1, 2017.
Paraguay and Uruguay signed a DTA on September 8, 2017.
According to preliminary media reports, Spain and Paraguay are to relaunch DTA negotiations.
Liechtenstein's Government has approved a double taxation agreement with Monaco, according to an August 23 announcement.
South Africa on September 1 confirmed that a new DTA with Cameroon entered into force on July 13, 2017.
Thailand and Cambodia signed a DTA on September 7, 2017.
Brazil and Paraguay agreed on the need to negotiate a DTA at a high-level meeting on August 21, 2017.
According to preliminary media reports, Estonia on August 24, 2017, approved the signing of a DTA with Japan.
Switzerland and Zambia signed a DTA on August 29, 2017.
Hong Kong and Saudi Arabia signed a DTA on August 24, 2017.
New Zealand and China held a second round of DTA negotiations on August 14.