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Congress Overturns Lula’s Veto on Toxicological Tests for Car and Motorcycle Driver Licenses and Changes Rules for Drivers

Written by Sara Aquino
Published on 05/12/2025 at 10:53
Com ampla votação, Congresso derruba veto de Lula e torna o exame toxicológico obrigatório para CNH de carro e moto.
Foto: IA
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With Widespread Voting, Congress Overturns Lula’s Veto and Makes Toxicological Exam Mandatory for Driver’s License for Cars and Motorcycles.

In a decision that directly changes the routine of millions of drivers, Congress overturns Lula’s veto on toxicological exams for driver’s licenses for cars and motorcycles and reestablishes, on this Thursday (12/4), the mandatory nature of the exam for applicants for categories A and B licenses.

The vote took place in Brasília, involved the Chamber of Deputies and the Senate, and alters the enforcement of the law that created the Social Driver’s License.

The change happens because lawmakers understood that the test is essential to reinforce road safety, even in light of the opposing argument presented by the Executive.

With the veto being overturned, the requirement takes immediate effect, as Congress restores the original provision included by lawmakers themselves during the law’s passage.

The toxicological exam, therefore, becomes mandatory again for anyone wishing to obtain a motorcycle license as well as for those intending to drive passenger cars.

Expressive Voting Confirms Congress’s Decision

The session that addressed the topic showed broad agreement among lawmakers.
In the Chamber of Deputies, the score was 417 votes in favor of overturning the veto, while another 72 senators also supported the return of the requirement.

This movement reinforces the political weight of the topic and the Legislative’s intention to maintain the toxicological exam as a preventive tool.

Thus, Congress overturns Lula’s veto on toxicological exams for driver’s licenses for cars and motorcycles and establishes a new national guideline, despite the justifications presented by the president.

Why Was the Exam Included in the Social Driver’s License Text

The toxicological exam rule was included during the discussion of the law that created the Social Driver’s License, signed in May of this year.

The initiative allows the use of resources from traffic fines to finance the training of low-income drivers.

Although the original proposal was submitted by the Executive, the toxicological provision was included by lawmakers.

For them, the measure would expand control over illicit substance consumption by drivers and strengthen responsibility on the roads.

Thus, even within a program focused on social inclusion, the Legislative considered that toxicological testing should also apply to categories A and B.

Why Lula Had Vetoed the Toxicological Exam

By vetoing the section about the exam, President Luiz Inácio Lula da Silva stated that the obligation could bring more harm than benefits. According to the veto, the requirement:

“contradicts public interest, as it would result in increased costs for society and could encourage unlicensed individuals to drive, compromising road safety.”

For the government, therefore, making the exam mandatory could dissuade candidates who would not be able to afford the test, creating a counterproductive effect especially in the context of the Social Driver’s License.

Despite this, Congress overturns Lula’s veto on toxicological exams for driver’s licenses for cars and motorcycles and reaffirms the previous provision.

Immediate Impacts for Those Obtaining Driver’s Licenses in Categories A and B

With the decision, the toxicological exam once again becomes part of the process for obtaining a driver’s license for motorcyclists and car drivers.

The change is expected to alter the schedules of driving schools, flows in driver training centers, and the expenses of applicants.

Additionally, experts note that the overturning of the veto reinforces a stricter enforcement pattern that had previously only been applied to professional drivers in categories C, D, and E.

What to Expect Going Forward

The decision rekindles debates about costs, safety, and social impact. For many lawmakers, the measure strengthens trust in traffic and standardizes controls.

For the government, however, it could create barriers for those entering the job market.

The fact is that, with the veto being overturned, Congress overturns Lula’s veto on toxicological exams for driver’s licenses for cars and motorcycles and imposes a structural change in the process of training new drivers in Brazil.

In a decision that directly changes the routine of millions of drivers, Congress overturns Lula’s veto on toxicological exams for driver’s licenses for cars and motorcycles and reestablishes, on this Thursday (12/4), the mandatory nature of the exam for applicants for categories A and B licenses.

The vote took place in Brasília, involved the Chamber of Deputies and the Senate, and alters the enforcement of the law that created the Social Driver’s License.

The change happens because lawmakers understood that the test is essential to reinforce road safety, even in light of the opposing argument presented by the Executive.

With the veto being overturned, the requirement takes immediate effect, as Congress restores the original provision included by lawmakers themselves during the law’s passage.

The toxicological exam, therefore, becomes mandatory again for anyone wishing to obtain a motorcycle license as well as for those intending to drive passenger cars.

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Sara Aquino

Farmacêutica e Redatora. Escrevo sobre Empregos, Geopolítica, Economia, Ciência, Tecnologia e Energia.

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