Well-known Inheritance Dispute: The Nexus of Tax Residence and Fictitious Residence

1. The facts

   The complex legal case revolves around the inheritance of the widow of a well-known entrepreneur, and pits her daughter against her grandchildren. According to reports from the specialized press, the Turin Prosecutor's Office has launched investigations for tax fraud, alleging that the woman's Swiss residence was a legal fiction aimed at shielding the vast estate from Italian taxation and inheritance laws. The current procedural stage sees the request for indictment on April 13, 2026, following the rejection of probation in February, involving the acquisition of extensive fiduciary documentation and calligraphic expert reports on testamentary documents. The core of the dispute lies in the 2004 Geneva agreement, in which the daughter waived her shares in the family holding company in exchange for a multi-billion euro settlement. If it were established that the deceased habitually resided in Italy for more than 183 days a year, this agreement would be void because Italian law prohibits inheritance pacts. The defense maintains the full legitimacy of the Swiss residence, based on historical and formal ties, while the prosecution aims to prove that the woman's center of emotional and managerial interests was permanently rooted in Turin.

2. 

   The laws in play

   1. Article 2 of the TUIR (DPR 917/1986) establishes the criteria for the tax residence of individuals, considering as such those who, for the majority of the tax period, are registered in the population registry or have their domicile or residence within the territory of the State as defined by the civil code.
   2. Article 458 of the Civil Code lays down the prohibition of inheritance pacts, declaring void any act disposing of rights from a succession not yet opened; this rule is a matter of public policy and cannot be waived by private agreements if Italian law is applicable.
   3. EU Regulation 650/2012 states that the law applicable to the entire succession is that of the State in which the deceased had their habitual residence at the time of death, unless there are clearly closer connections with another State.

3. What the jurisprudence says

   The higher courts have clarified that the concept of habitual residence and domicile cannot be limited to mere administrative registration but must reflect the actual reality of the subject's ties. According to consolidated rulings, the center of vital interests must be assessed globally, including not only patrimonial and economic interests but also moral, social, and family ties. Judges have repeatedly stated that proof of foreign tax residence fails when faced with evidence of constant physical presence and the management of primary affairs on Italian soil. In inheritance matters, courts have confirmed that the nullity of inheritance pacts operates automatically if it is established that the de cujus was rooted in Italy, rendering ineffective any inheritance waivers signed abroad under more permissive laws. Tax jurisprudence has further specified that the burden of proof regarding the effectiveness of the transfer abroad often falls on the taxpayer when the Administration provides serious, precise, and consistent evidence regarding their stay in Italy.

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8. What it teaches professionals

   1. Constantly monitor the days of actual presence for clients with foreign residence, suggesting the preservation of documentary evidence of daily life outside Italy.
   2. Exercise extreme caution in drafting inheritance pacts abroad if there is a risk that Italian law may be invoked as the lex successionis due to the center of interests.
   3. Consider that establishing a fictitious residence has cascading effects not only on taxes but also on the validity of corporate acts and generational transitions.
   4. Evaluate the use of alternative instruments, such as trusts or family pacts, which enjoy specific regulations and greater stability compared to pure settlement agreements in inheritance matters.

9. Developments: the preventive seizure for fraud and swindling

   On September 20, 2024, the investigation underwent a significant acceleration. As reported by ANSA and Il Sole 24 Ore, the Turin Judge for Preliminary Investigations ordered a preventive seizure of approximately 74.8 million euros against siblings John, Lapo, and Ginevra Elkann, accountant Gianluca Ferrero, and notary Urs von Grünigen. The charges involve alleged tax fraud and aggravated fraud against the State. According to reports from Corriere della Sera and detailed by NT+ Diritto, the investigative scope has expanded: it no longer concerns only Marella Caracciolo's annuity but the entire inheritance and succession taxes allegedly evaded in Italy through a fictitious residence in Switzerland. Prosecutors hypothesize that an organized structure designed to simulate Swiss residency misled the Italian tax authorities. The suspects, who are presumed innocent, maintain through their lawyers the regularity of all procedures, emphasizing that the Agnelli widow's Swiss residence had been effective since the 1970s.

References: Articolo 2 DPR 917/1986 (TUIR)Articolo 458 Codice CivileRegolamento UE 650/2012Articolo 43 Codice Civile

Editorial oversight: Avv. Federico Papa·ICAMUpdated 25 September 2026Content drafted with AI support and subject to editorial source checks. Despite these controls, inaccuracies may remain: reports and rectification requests are welcome. Report a correction