Portugal-Luxembourg DTA entered into force

Luxembourg issued the Grand-Ducal Decree of 13 March 2026, officially published in the Journal Officiel du Grand-Duché de Luxembourg (Mémorial A) on 16 March 2026, updating the list of partner jurisdictions for the exchange of financial account

Luxembourg published the  Law of 10 March 2026 in the Official Gazette on 16 March 2026, ratifying the amending protocol to the 2007 income and capital tax treaty with Georgia. The protocol, signed on 3 July 2025, replaces Article 27 (Exchange

Luxembourg has ratified an amendment to the Convention with San Marino for the avoidance of double taxation on income and capital on 10 March 2026, updating the original agreement signed on 27 March 2006 and previously amended by the 2009 Rome

Luxembourg has updated the list of jurisdictions with which its tax authorities exchange country-by-country (CbC) reports, as set out in the Grand-Ducal Regulation of 13 March 2026 and published in Official Gazette No. A 134 on 16 March 2026. The

Portugal’s Supreme Administrative Court has ruled that foreign-source income is generally liable for municipal surcharge unless it can be attributed to a foreign permanent establishment. The judgment, issued on 25 February 2026, followed a case

Luxembourg’s parliament has approved the law ratifying the amending protocol to the 2007 income and capital tax treaty between Luxembourg and Georgia. The Council of State voted on 25 February 2026 to waive the second constitutional vote,