Jurisdiction Guide · Inheritance & Estate Planning

France & Spain: France ↔ Spain: Two forced heirship regimes and one imperfect treaty

Q: Is there a France–Spain inheritance tax treaty?

Yes — partially. France and Spain signed a 1963 double taxation agreement on inheritance covering immovable property. However, a known gap exists for bank accounts and financial assets, which each country classifies differently, creating potential double taxation on financial assets outside the treaty framework.

Q: How does Spanish regional variation affect the France–Spain corridor?

Spanish ISD rates are set by autonomous communities. A beneficiary in Madrid or Andalusia faces near-zero effective ISD; Catalonia applies more substantive rates. Spanish assets in different regions can face dramatically different tax treatment within the same estate.

Q: How do French and Spanish forced heirship rules interact?

Both France and Spain operate forced heirship — France's réserve héréditaire and Spain's legítima both reserve mandatory portions for direct descendants. Under Brussels IV, EU nationals can elect their home country's succession law for movable assets, but immovable property defaults to the law of the country where it is located.

Q: Does the French trust regime operate outside the 1963 treaty framework?

Yes. The 1963 France–Spain treaty pre-dates trust structures and does not address them. The French trust reporting regime operates independently, applying to any trust with a French-connected party. Trust assets in a France–Spain estate can fall within French obligations entirely outside the treaty protection.

Q: What should I do first if my family spans France and Spain?

Identify domicile and residence of the deceased and all beneficiaries. Map assets by situs. Assess whether the 1963 treaty covers the specific asset classes in play, particularly financial accounts. Check which Spanish autonomous community applies to Spanish assets, and consider a Brussels IV succession law election for EU nationals.

France and Spain share one of Spain's three inheritance treaties. But the 1963 convention has known gaps — including the bank account dispute — and Art 750 ter para 3 operates through beneficiary residence regardless of where the treaty allocates taxing rights on the estate itself.

Treaty (Limited) Medium Exposure Last updated June 2026 8 min Educational only · Not advice

⚠ Educational Content Only This guide explains general principles only. It does not constitute legal, tax, or financial advice. Laws vary by jurisdiction and change frequently. Last updated June 2026. Always consult a qualified cross-border estate specialist before making decisions. Terms of Use →

Jurisdiction Guide · 🇫🇷 France ↔ 🇪🇸 Spain

France ↔ Spain: Two forced heirship regimes and one imperfect treaty

France and Spain share a 1963 bilateral inheritance treaty — one of only three such treaties Spain has. But the treaty has known gaps, and the two forced heirship systems can still conflict in practice.

Reading time: 8 minutes · Last reviewed: 2025

⚠ Educational Content Only — This guide explains general principles. It does not constitute legal, tax, or financial advice. Laws change frequently. Always consult a qualified cross-border estate specialist before making any decisions.

The treaty: what it does and doesn’t do

One of Spain’s three inheritance treaties — but not a complete solution

Spain has inheritance-specific double taxation treaties with only three countries: France, Greece and Sweden. The France-Spain 1963 convention is therefore a relatively rare instrument — most UK-Spain or Australia-Spain families have no treaty protection at all.

The treaty allocates taxing rights according to asset type and the residence of the deceased. Immovable property is taxed in the country where it is located. Business assets connected to a permanent establishment are taxed where the PE is located. Other assets — including most movable property such as bank accounts, shares and personal possessions — are taxable in the country of the deceased’s domicile or habitual residence.

The Bank Account Dispute

A well-known tension in the France-Spain treaty concerns bank accounts. The French tax authorities classify bank accounts as intangible assets, making them taxable in the country of the deceased’s residence. Spanish tax authorities classify them as tangible assets, making them taxable where they are located. This disagreement is not resolved by the treaty text and can result in both countries asserting a claim on the same account. The effective rate method built into the treaty provides a partial mechanism, but practical disputes arise. This is a point to raise specifically with a cross-border specialist.

Five principles

What every France-Spain family needs to understand

The treaty helps with immovables — less so with movables

The clearest provision of the 1963 treaty is that immovable property — real estate — is taxed in the country where it is located. A French national dying in Spain with a Paris apartment: French IHT on the Paris property. A Spanish national dying in France with a Madrid house: Spanish ISD on the Madrid property. On movable assets, the treaty is less clear and the bank account dispute illustrates where gaps remain.

Art 750 ter para 3 still applies for French beneficiaries

The France-Spain treaty allocates taxing rights on the deceased’s estate. It does not neutralise the French Art 750 ter para 3 rule for beneficiaries. A Spain-resident parent with French-resident children still faces French IHT on the children’s worldwide inheritance share — because the French rule operates through the beneficiary’s residence, not the deceased’s location. The treaty does not address this dimension.

Spanish regional variation is still decisive

The treaty determines which country has the right to tax. Within Spain, which region’s rules apply is determined by Spanish domestic law — generally the region where the most valuable Spanish assets are located. The dramatic variation between regions (near-zero in Andalusia or Madrid for direct family; more substantive in Catalonia) remains a significant variable even within the treaty framework.

Two forced heirship systems, both in play

Both France and Spain have mandatory reserved shares for children. French forced heirship reserves between 50% and 75% of the estate depending on the number of children. Spanish forced heirship reserves two-thirds for children in most cases. Where a family straddles both jurisdictions, both sets of rules may assert a claim. A Brussels IV election in a will can override one country’s rules — but not both simultaneously.

The tax calculation

How the treaty’s effective rate method works

The 1963 treaty uses an effective rate method to prevent double taxation. Each country retains the right to calculate tax on assets reserved to its exclusive jurisdiction, but does so at the rate that would apply if the entire estate — including assets taxed exclusively in the other country — were taken into account. The actual tax charged by each country is then limited to that effective rate applied to its share of the estate.

In practice, this mechanism prevents the most egregious cases of double taxation but does not eliminate them entirely. Where the bank account classification dispute arises, or where Art 750 ter para 3 pulls a French beneficiary’s worldwide share into French scope, the effective rate method cannot resolve the overlap without specialist analysis.

⚠ French Trust Regime Still Applies

The France-Spain treaty does not address trusts. The French trust reporting regime (Art 990J and Art 792-0 bis) applies to any trust with a French-resident beneficiary, French-resident settlor, or French-situs assets — regardless of whether the trust is administered from Spain or whether a France-Spain treaty benefit might otherwise apply to estate assets. Spanish law does not recognise trusts as legal entities, creating a structural incompatibility: an asset in a trust may be treated entirely differently by each country’s tax and succession authorities.

Wills and succession law

Coordinating forced heirship across two civil law systems

Both France and Portugal — and Spain — are signatories to Brussels IV. A French national resident in Spain can elect French succession law in their will, overriding Spanish forced heirship. A Spanish national resident in France can elect Spanish succession law, overriding French forced heirship. The election must be explicit and made during the person’s lifetime.

The challenge is that a single Brussels IV election applies the entire nominated succession law, not a pick-and-mix of favourable provisions. Making a French law election avoids Spanish forced heirship but subjects the entire estate to French forced heirship instead — which may be more or less favourable depending on the family structure. Both sets of rules need to be understood before any election is made.

When to act

Planning triggers for France-Spain families

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Acquiring real estate in the other country. The treaty’s immovable property provision is clear, but the consequences for the overall estate plan — including the effective rate calculation — need to be modelled when significant property is acquired.

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Significant bank accounts or movable assets across the border. The France-Spain bank account dispute is a known risk for estates with significant cash and investment assets in both countries. Specialist advice is essential before assuming the treaty resolves this.

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Children moving to France. The Art 750 ter para 3 trigger operates through the beneficiary’s residence, regardless of the parent’s location. A Spain-resident parent whose child becomes French-resident for six of ten years acquires French IHT exposure on that child’s worldwide inheritance share.

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Trust structures in the planning mix. Any trust with a French-resident connection needs to be reviewed against Art 990J before assets are placed into it. The France-Spain treaty does not protect against French trust regime reporting and levy obligations.

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Blended families or non-standard structures. The interaction of two forced heirship systems in a blended family context requires detailed modelling — particularly where stepchildren or unmarried partners are involved, since both countries treat these categories less favourably.

What this guide cannot tell you

Where you need a specialist

This guide explains the principles. It cannot determine how the bank account classification dispute will be resolved in your specific estate, whether Art 750 ter para 3 applies to your children based on their precise French residence history, how the effective rate method operates for your particular asset mix, whether a Brussels IV election is appropriate given your family structure, or how trust structures in your estate will be treated by both tax authorities.

France-Spain succession requires expertise in both French and Spanish succession law, the 1963 treaty, and the French domestic rules that operate independently of the treaty. This is a specialist area within a specialist field.

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Frequently Asked Questions — France & Spain Inheritance

Is there a France–Spain inheritance tax treaty?

Yes — partially. France and Spain signed a double taxation agreement on inheritance in 1963, one of only a handful of inheritance-specific treaties Spain has. The treaty covers immovable property (real estate) clearly and provides a credit mechanism for tax paid in one country against liability in the other. However, the treaty has a known gap: bank accounts and certain financial assets are classified differently by each country (France treats them as intangible assets taxable in the country of residence; Spain treats them as tangible assets taxable where located), creating potential for double taxation on financial assets outside the treaty framework.

Does Article 750 ter paragraph 3 apply when a Spanish beneficiary inherits French assets?

The six-of-ten-year rule under Article 750 ter paragraph 3 applies based on French residency of the beneficiary. If the beneficiary is Spanish-resident (not French-resident), paragraph 3 does not apply. However, if a Spanish national has spent significant time in France in recent years, the threshold may be reached. The key question is always whether the beneficiary has been French-resident for 6 of the last 10 years — not their nationality.

How does Spanish regional variation affect the France–Spain corridor?

Spanish ISD rates are set by the autonomous communities, with significant variation. A beneficiary resident in Madrid or Andalusia faces near-zero effective ISD on inherited assets. A beneficiary in Catalonia faces more substantive rates. The applicable community for immovable property is where the property is located; for movable assets it is where the deceased was resident. In a France–Spain corridor, Spanish assets in different regions can face dramatically different tax treatment.

How do French and Spanish forced heirship rules interact?

Both France and Spain operate forced heirship. France’s réserve héréditaire and Spain’s legítima both reserve mandatory portions for direct descendants, though the fractions and mechanisms differ. Under Brussels IV, EU nationals can elect for their home country’s succession law to apply to their movable assets across the EU — a French national with Spanish assets can elect French succession law, and a Spanish national with French assets can elect Spanish law. However, for immovable property, the law of the country where the property is located governs succession by default under Brussels IV.

Does the French trust regime operate outside the 1963 treaty framework?

Yes. The 1963 France–Spain treaty pre-dates modern trust structures and does not address them. The French trust reporting and taxation regime (Articles 1649 AB CGI) operates on its own basis, applying to any trust with a French-connected party regardless of where the trust is constituted or administered. This means trust assets in a France–Spain estate can fall within French obligations entirely outside the treaty protection, and the 1.5% annual prélèvement can apply.

What should I do first if my family spans France and Spain?

Identify the domicile and residence of the deceased and all beneficiaries. Map assets by situs — real estate triggers the law of the country where it sits; financial assets trigger Article 750 ter analysis. Assess whether the 1963 treaty covers the specific asset classes in play, particularly financial accounts where the treaty gap is known. Check which Spanish autonomous community applies to Spanish assets. For EU nationals, consider a Brussels IV succession law election in your will.

These FAQs are for general educational purposes only. They do not constitute legal, tax or financial advice. Laws change and individual circumstances vary significantly. Always consult a qualified cross-border estate specialist before making decisions.

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