Dual Franco-Spanish nationality is part of an increasingly frequent social and legal reality today. Free movement within the European Union, transnational life courses and the proliferation of mixed unions contribute to a constant increase in the number of people with several nationalities.
Although this situation is often perceived as an advantage, it actually involves significant legal consequences that must be anticipated. Dual nationality does not only constitute an administrative status. It directly influences the determination of the law applicable in certain situations, the jurisdiction of the courts, as well as the heritage strategies to be put in place.
A precise understanding of its effects allows you to secure your situation and optimize legal choices in the long term.
Full recognition by France and Spain.
Both France and Spain recognize the principle of dual nationality. Unlike certain states which require their nationals to renounce their original nationality upon naturalization, these two countries authorize the simultaneous holding of several nationalities.
This recognition considerably facilitates life journeys between the two States. A French national can acquire Spanish nationality without losing their French nationality, and vice versa. He can thus move freely, settle, work and exercise his civil rights in each country.
This situation offers appreciable flexibility, particularly in an international professional or family context. However, it also involves complying with the obligations attached to each nationality, which may require a certain vigilance.
A determining influence on the choice of law applicable to inheritance matters.
One of the main interests of dual nationality lies in its impact on the determination of the law applicable to succession.
European Regulation (EU) No. 650/2012 allows any person to choose the law applicable to their inheritance from among those of the States of which they have nationality. This mechanism, called professio juris, constitutes a major strategic tool for dual nationals.
A Franco-Spanish national can thus decide, by will, that his estate will be governed by French law or by Spanish law. This choice makes it possible to anticipate the rules applicable to the transmission of one’s assets and to avoid certain uncertainties.
The two legal systems indeed present significant differences. French law is characterized by a hereditary reserve protecting children, while Spanish law, although also including protection mechanisms, offers in certain regions greater freedom in the organization of transmission.
The possibility of choosing the applicable law makes it possible to adapt the succession to personal and family objectives.
Implications in terms of jurisdictional competence.
Beyond the applicable law, dual nationality can also influence the jurisdiction of the courts.
In certain situations, it opens up several possibilities as to the competent court. For example, in family or property matters, the nationality of the parties can be taken into account to determine the jurisdiction likely to be seized.
This plurality can constitute a strategic advantage, but it can also give rise to situations of competition between jurisdictions. In this case, the first court seized generally has jurisdiction, which may encourage the parties to act quickly.
A good knowledge of these mechanisms allows you to adopt an appropriate strategy and avoid jurisdictional conflicts.
An indirect impact on taxation.
Contrary to popular belief, nationality is generally not the main criterion in tax matters. Tax residence remains the determining element for the taxation of income and assets.
However, dual nationality may have an indirect impact. It facilitates installation in a country and can influence certain decisions regarding residence or asset organization.
It can also play a role in the application of certain tax conventions, particularly in the event of a conflict of residence.
A need for anticipation in asset management.
Dual nationality must be integrated into a global reflection on heritage management.
It offers interesting opportunities, particularly in terms of transmission, but it requires anticipation. The choice of applicable law, the drafting of a will or even the structuring of assets must be considered taking this situation into account.
A lack of anticipation can lead to inconsistencies, particularly when several legal systems apply simultaneously.
Issues in family law.
Dual nationality can also have consequences in terms of family law. It can influence the rules applicable to marriage, divorce or parental authority.
In an international context, these questions are often framed by European regulations, but nationality can play a role in determining the applicable rules or in the recognition of decisions.
The role of the lawyer in supporting binational people.
Faced with the complexity of international situations, support from a lawyer is particularly recommended. It makes it possible to analyze the issues linked to dual nationality and to propose adapted solutions.
The lawyer is involved in particular in the implementation of heritage strategies, the drafting of wills or the management of contentious situations. It also ensures coordination between the different legal systems concerned.
Conclusion:
Dual French-Spanish nationality constitutes a real asset in an increasingly internationalized world. It offers great freedom and many possibilities, both personally and professionally.
However, it also involves legal consequences that must be anticipated. It influences the law applicable in certain situations, the jurisdiction of courts and heritage strategies.
A structured and supported approach allows you to take full advantage of its advantages while securing your legal situation in the long term.
Miguel Morillon. Lawyer at the Madrid Bar.Â





