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On 11 July 2024, the Higher Administrative Court ( Cour administrative ) delivered a significant ruling in a case between Mrs. (A) and the Direct Tax Administration (ACD), following a tax audit covering the fiscal years 2010 to 2015. After rejecting the claim regarding the territorial incompetence

In a decision dated 21 March 2024 (no. 49678C), the Higher Administrative Court upheld a decision by the Director of the Luxembourg tax authorities (“ LTA”), who in a specific case refused to apply the final withholding tax on savings income in the form of interest payments made in Luxembourg to

In a judgment of 11 January 2024, the Luxembourg Higher Administrative Court annulled tax assessments issued to a taxpayer for breach of the adversarial principle set out in §205(3) AO (the Abgabenordnung ), which foresees the right for the taxpayer to be heard by the tax office before issuance of

In four rulings dated 17 November 2023, the Luxembourg Constitutional Court answered preliminary questions put to it in disputes involving the municipalities of Leudelange and Niederanven. The question relates to the definition of the concept of “adjusted population” ( population ajustée), which is

On 18 July 2023, a draft law introducing the concept of secondary residence into Luxembourg tax law and suggesting that certain tax benefits applicable to principal residences be extended to secondary residences (the “ Draft Law”) has been submitted to the Luxembourg Parliament ( Chambre des Députés

In a judgment of 15 June 2023, the Higher Administrative Court upheld a judgment of the Lower Administrative Court, which had annulled tax returns issued against a taxpayer on the grounds that the tax authorities had failed to respect the taxpayer's rights of defence arising from the adversarial