Back to Blog
LegalTech & IA

When a Mayor Also Acts as City Attorney: A Recipe for Administrative Improbity

NakedPact Editorial Committee
Reviewer: Carmelo G.
Comitato Editoriale NakedPact
July 12, 2026
10 min read
When a Mayor Also Acts as City Attorney: A Recipe for Administrative Improbity

Imagine you're both the referee and a player in a soccer match. Sounds absurd, right? Yet that's exactly what happens when an elected mayor also serves as a municipal attorney. Brazil's Superior Tribunal de Justiça (STJ) just put a stop to this double-dipping, ruling that it constitutes administrative improbity. Let's dive into why this matters and what it means for public officials everywhere.

What Did the STJ Decide?

The 2nd Section of the STJ established that an elected official who continues to act as a municipal attorney—without resigning from one role—causes harm to the public treasury and obtains undue advantage. This creates a critical precedent for interpreting incompatibilities between public offices.

The Case in a Nutshell

A mayor was also serving as a procurator (attorney) for the same municipality. The court found that this dual role inherently creates a conflict of interest: the mayor oversees the city's executive branch, while the attorney represents the city legally. By holding both, the official could influence legal matters to personal or political benefit, at the expense of taxpayers.

Why This Ruling Is a Game-Changer

This decision isn't just about one case—it sets a binding precedent for lower courts. It clarifies that the mere existence of dual roles, even without proof of specific misconduct, can constitute improbity. The court emphasized that the potential for abuse is enough to violate principles of public administration.

Administrative improbity refers to dishonest or unethical conduct by public officials that harms the public interest. It includes acts that violate principles of legality, impersonality, morality, publicity, and efficiency. The STJ's ruling expands this concept to cover structural conflicts of interest, not just overt corruption.

Practical Implications for Public Officials

If you hold an elected position and also work as a government attorney, you now have a clear choice: resign from one role or face legal consequences. The ruling applies retroactively, meaning past dual-office holders could be held liable. Municipalities must also review their hiring practices to avoid such conflicts.

How Does This Compare to Other Countries?

In the United States, the Office of Government Ethics prohibits executive branch employees from holding conflicting positions. Similarly, the European Union's Staff Regulations bar officials from engaging in outside activities that compromise independence. Brazil's ruling aligns with global best practices, reinforcing that public service demands undivided loyalty.

What Should Citizens Do?

If you suspect a local official is holding incompatible roles, report it to your state's ethics commission or public prosecutor. Transparency is key—demand that your elected representatives prioritize public interest over personal gain.

FAQ

What exactly is administrative improbity?

It's a legal concept in Brazil covering dishonest or unethical acts by public officials that harm the public treasury or violate administrative principles. The STJ's ruling expands it to include structural conflicts of interest.

Does this ruling apply to all public offices?

It specifically addresses the incompatibility between elected positions (like mayor) and municipal attorney roles. However, the principle may extend to other dual roles that create conflicts of interest.

Can a public official be punished without proof of actual harm?

Yes. The STJ ruled that the mere potential for harm and undue advantage is sufficient to constitute improbity, as long as the dual roles are inherently incompatible.

⚡ Key Takeaways from the STJ Ruling

  • Dual roles are inherently incompatible: mayor + municipal attorney = conflict of interest.
  • No proof of harm needed: potential for abuse is enough for improbity.
  • Retroactive effect: past dual-office holders may be held liable.
  • Precedent for other cases: lower courts must follow this interpretation.
  • Citizen action: report suspected conflicts to ethics commissions.
NakedPact Logo

NakedPact Editorial Committee

Article created by the NakedPact editorial team. Our mission is to analyze, simplify, and expose unfair terms and hidden risks in everyday contracts to protect citizens and consumers.

Do you own a website?

Do you own a website?

Want to communicate your data processing transparency to your users? Dynamically use our badge and showcase your platform's compliance.

🛡️ Protect your rights with one click

Don't risk signing abusive clauses. Install the free NakedPact extension for Chrome or Firefox and instantly analyze any contract on the web.

Don't trust, verify.

Now that you know the risks, don't sign blindly. Upload your contract to NakedPact and let AI find the hidden clauses for you. It's 100% free.

Analyze Your Contract Now

Rispettiamo la tua privacy

Usiamo i cookie per migliorare la tua esperienza e personalizzare gli annunci. Scopri di più.

NakedPact Logo

Estensione Chrome

Analizza i contratti e i Termini di Servizio direttamente sul tuo browser con l'estensione NakedPact.