Author: Abelardo Delgado Pacheco

Tax liability after the recent jurisprudence of the Supreme Court
In various judgments, the Supreme Court insists on the need to prove the guilt of the directors of companies that have committed tax infringements or to inquire into the existence of jointly and severally liable parties before deriving liability to subsidiary liable parties. The Administration has been reacting to the difficulties in the collection of […]

Recent developments in case law on anti-abuse rules
The Supreme Court has recently issued several judgments of great importance on the application of articles 13, 15 and 16 of the General Tax Law (hereinafter GTL), judgments that also affect the application of the doctrine of the so-called “second shot”. The most prominent judgments are that of April 29, 2025, two of May 5 […]

Reflections on expert evidence in tax proceedings
In recent rulings related to the deduction for R&D&i in Corporate Income Tax and for Hydrocarbon Tax, the Supreme Court offers important reflections on the value of expert evidence in tax proceedings and on the value of reports issued by officials of the Tax Administration itself. The Supreme Court has recently handed down five important […]

New developments on lawyer-client privilege in CJEU case law
In our last blog entry, we mentioned that the CJEU could clarify or refine its doctrine on professional secrecy in its upcoming ruling on case C-432/23, Ordre des Avocats du Barreau de Luxembourg. This anticipated judgment was issued on September 26, 2024. The release of this new ruling merits our immediate attention. The preliminary question […]

Lawyers’ Professional Secrecy in recent CJEU Jurisprudence
The CJEU has concluded that the reporting obligations established in the DAC are invalid insofar as they affect lawyers’ professional secrecy, as this guarantees the right to privacy and respect for clients’ private lives. However, it clarifies that the exemption from these obligations does not extend to tax advisors who are not lawyers. The Court […]

Supreme Court: The tax verification of statute-barred fiscal years cannot disregard the principle of full regularization
The Spanish Supreme Court has concluded that when the Tax Administration verifies credits generated in prescribed fiscal years, it must do so in accordance with the principle of complete regularization. This means that if it rejects the deductibility of certain expenses, it must also eliminate the taxation of income linked to them. The Court also […]
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