Deductibility of Liabilities in Inheritance Tax: Ruling 16432/2025 and Refund Deadlines

Inheritance tax often presents complexities, especially when debts of the deceased (de cuius) emerge only after the opening of the succession. The recent ruling no. 16432 of June 18, 2025, by the Tax Court of Appeal of Emilia Romagna (Rv. 675140-01) provides crucial clarification on the deductibility of such liabilities. This decision, which saw the State Attorney General's Office (A.) and Mr. C. as opposing parties, is of significant practical relevance for heirs and professionals.

The Context: Inheritance Debts and the Tax Authorities

Legislative Decree no. 346 of 1990 allows for the deduction of liabilities from the inheritance (art. 20), thereby reducing the taxable base. However, the deductibility of debts that were unknown or ascertained only after the inheritance tax return has always generated uncertainty. Ruling 16432/2025 intervenes in this delicate balance, offering clear guidance to heirs.

The Principle of Ruling 16432/2025: A Clarifying Principle

The Court, with ruling no. 16432/2025, establishes a fundamental principle to protect heirs. The principle of the ruling states verbatim:

In matters of inheritance tax, the deductibility of undeclared liabilities, whose generative event occurred prior to the death of the de cuius, is permitted pursuant to the combined provisions of articles 20, paragraphs 1 and 2, and 23, paragraph 4, of Legislative Decree no. 346 of 1990, even if their ascertainment and quantification occur through a final judgment subsequent to the death, provided that the interested party proves their existence, in the manner prescribed by the aforementioned art. 23, within six months following such finality; the deadline for submitting the refund request for tax paid without considering the liability shall commence, pursuant to art. 42, paragraph 2, of Legislative Decree 346 of 1990, from the finality of the judgment.

This ruling is crucial: it clarifies that a debt of the deceased can be deducted, even if ascertained post-mortem, provided that the "generative event" occurred before the death. The heir must prove its existence, as stipulated by art. 23 of Legislative Decree 346/1990, within six months of the finality of the judgment that ascertains it. The deadline for refunding tax paid without considering the liability commences from the finality of such judgment, not from the time of payment.

Conditions and Timelines for Heirs

Ruling no. 16432/2025 outlines the essential conditions for availing oneself of this possibility:

• The debt must have arisen before the death of the de cuius.
• The ascertainment of the debt can also occur through a final judgment subsequent to the opening of the succession.
• The heir bears the burden of proving the existence of the liability, according to the procedures provided for by art. 23 of Legislative Decree 346/1990.
• Proof must be provided within six months of the finality of the judgment ascertaining the debt.
• The deadline for requesting a refund of the tax commences from the finality of such judgment.

Conclusions and the Importance of Legal Assistance

Ruling 16432 of 2025 protects heirs by allowing the deduction of actual liabilities even if ascertained late. However, it is crucial to scrupulously adhere to the prescribed deadlines and procedural methods. Given the complexity of the matter, the assistance of professionals expert in tax and inheritance law is indispensable for correctly managing these situations and for the best protection of one's rights.