Background
Mme [O] was adopted in 2011 by [T] [G]. When [T] [G] died in 2013, she left her entire estate to Mme [O] by will. The succession declaration, filed in May 2014, claimed the tax deduction for direct-line heirs (abattement en ligne directe), which applies to certain close relatives under French inheritance tax law. Mme [O]’s notary handled the succession declaration.
On July 31, 2015, the tax administration sent Mme [O] a rectification proposal (proposition de rectification) challenging the application of the direct-line deduction and proposing instead to tax the inheritance under the “non-relatives” rate. Under French law, simple adoption does not confer the same inheritance tax treatment as full adoption, and the administration asserted that the higher rate applied. The notary attempted to respond to this rectification proposal on Mme [O]’s behalf, but no express written mandate authorizing the notary to do so was produced. The taxes were assessed for collection in November 2015.
Mme [O]’s complaint was rejected in May 2017. She then sued the tax administration for relief. The Court of Appeal (Aix-en-Provence), ruling in November 2024, declared the tax procedure irregular and ordered discharge of the additional taxes. The court reasoned that the notary possessed a tacit (implied) mandate from Mme [O] based on extensive written correspondence between the notary and the tax administration, inferring that she had entrusted the notary with representing her interests regarding the succession rights assessment.
The Court’s Holding
The Court of Cassation held that the Court of Appeal erred in law. Under Article L. 57 of the Book of Fiscal Procedures (livre des procédures fiscales), the tax administration must send a motivated rectification proposal to permit the taxpayer to submit observations or state acceptance. The Court examined the notary’s authority to act in this context, referencing three legal provisions: Article L. 57 of the Book of Fiscal Procedures, Article 1705(1) of the General Tax Code (which provides that notaries pay registration duties for acts before them), and Article R*197-4(3) of the Book of Fiscal Procedures.
The Court established a critical distinction: while a notary may present or support a complaint regarding taxes they are bound to pay without express mandate, the notary must justify an express mandate to accept or refuse a rectification proposal. The Court stated: “It results from the combination of these texts that if a notary can present or support without express mandate a complaint regarding taxes, duties or taxes that he is bound to pay in application of Article 1705 of the General Tax Code, he must justify such a mandate to refuse or accept a rectification proposal.” The Court found that the Court of Appeal violated this requirement by inferring a tacit mandate from correspondence exchanges rather than requiring express authorization. Only an express mandate could authorize the notary to represent Mme [O] in accepting or refusing the tax administration’s proposal.
Key Takeaways
- A notary’s authority to act in tax matters is limited and depends on the nature of the action. Tacit or implied mandates are insufficient for critical procedural steps like accepting or refusing a tax rectification proposal.
- Notaries may file tax complaints without express mandate if the taxes concern obligations they must discharge under law, but this exception does not extend to responding to rectification proposals.
- Correspondence and course of dealing between a notary and tax authorities cannot substitute for express, written authorization to accept or refuse a rectification proposal.
- The procedural regularity of tax assessments depends on proper representation and mandate formalities; informal arrangements do not satisfy legal requirements for due process.
Why It Matters
This decision reinforces strict formalism in French tax procedure regarding representative authority. While notaries often serve as intermediaries between taxpayers and tax authorities in succession and inheritance matters, they cannot rely on implied authority to make binding decisions on a taxpayer’s behalf during tax audits or rectification procedures. Taxpayers must grant express, documented mandates for representatives to respond to or accept tax adjustment proposals. This principle protects taxpayers by ensuring that only authorized persons can commit them to tax liability adjustments, while also giving tax authorities certainty about whom they are dealing with.
The decision underscores that in French tax law, procedural defects—such as permitting a representative without proper mandate to respond to a rectification proposal—may render an entire tax assessment irregular and lead to its discharge, even if the underlying tax position has merit. Practitioners must therefore ensure proper documentary evidence of mandate authority exists before authorizing representatives to engage in substantive tax negotiations or decision-making.