# Law No. 6149 of December 2, 1974

> Brazilian law

**Wikidata**: [Q105659870](https://www.wikidata.org/wiki/Q105659870)  
**Source**: https://4ort.xyz/entity/law-no-6149-of-december-2-1974

## Summary
Law No. 6149 of December 2, 1974, is a Brazilian statute enacted to establish regulations for metro transportation security and related provisions. Promulgated by President Ernesto Geisel, it remains a key component of Brazil’s legal framework governing public transit safety. The law is officially cited as "Lei nº 6149/1974" and applies to the Federative Republic of Brazil.

## Key Facts
- **Enactment Date:** December 2, 1974.
- **Approved By:** Presidency of the Federative Republic of Brazil, specifically President Ernesto Geisel via promulgation.
- **Law Digest:** "Dispõe sobre a segurança do transporte metropolitano e dá outras providências" (Regulates metropolitan transportation security and provides other provisions).
- **Jurisdiction:** Federative Republic of Brazil.
- **Language:** Brazilian Portuguese.
- **LexML Brazil ID:** `urn:lex:br:federal:lei:1974-12-02;6149`.
- **Publication Date:** December 2, 1974.
- **Place of Publication:** Brasília.
- **Legal Citation:** "Lei nº 6149, de 2 de dezembro de 1974".
- **Public Domain Status:** Not copyrightable in the U.S. (per "edict of government doctrine") and France, as an official legal document.
- **Focus Areas:** Juridical persons, time limits, execution, legal norms, obligations, and maintenance protocols.
- **Related WikiProject:** WikiProject Brazilian Laws.

## FAQs
**When was Law No. 6149 enacted?**  
Law No. 6149 was enacted on December 2, 1974, and published in Brasília on the same date.

**Who approved this law?**  
The law was approved by President Ernesto Geisel through presidential promulgation, as documented in the official legislative registry.

**What is the primary focus of Law No. 6149?**  
The law primarily addresses metropolitan transportation security, establishing regulatory frameworks for safety standards and operational protocols in metro systems.

**Where does this law apply?**  
The statute applies to the Federative Republic of Brazil, specifically governing metropolitan transportation systems within the country’s jurisdiction.

**How is this law cited in legal documents?**  
The official citation is "Lei nº 6149/1974," and it is accessible via the LexML Brazil identifier `urn:lex:br:federal:lei:1974-12-02;6149`.

## Why It Matters
Law No. 6149 of December 2, 1974, is significant for its role in shaping Brazil’s metropolitan transportation safety standards. Enacted during the military government era under President Ernesto Geisel, it reflects the state’s effort to modernize and regulate public transit infrastructure. The law ensures accountability for safety protocols, directly impacting urban mobility and passenger protection. Its enduring relevance underscores its importance in Brazil’s legal history, particularly in the context of municipal and federal governance of transportation systems. As a public domain document, it remains freely accessible, reinforcing transparency and the rule of law in Brazil’s democratic framework.

## Notable For
- **Key Transportation Legislation:** A foundational statute for metropolitan transportation security in Brazil.
- **Presidential Promulgation:** Enacted under President Ernesto Geisel during Brazil’s military regime (1964–1985).
- **Public Domain Accessibility:** Exempt from copyright in jurisdictions like the U.S. and France, ensuring unrestricted public access.
- **LexML Identification:** Unique identifier `urn:lex:br:federal:lei:1974-12-02;6149` for digital legal documentation.
- **Ongoing Relevance:** Continues to influence transportation regulations in Brazil’s urban centers.

## Body

### Enactment and Legal Context
Law No. 6149 was promulgated on December 2, 1974, by President Ernesto Geisel, who served as Brazil’s president from 1974 to 1979. The law is classified as a **statute**, a formal written document that creates statutory law, and is recognized under the Wikidata ID structure for Brazilian legislation. As a **statute**, it functions as the tangible manifestation of statutory law, distinct from broader legal concepts like "law" or "legislation."

### Purpose and Scope
The law’s primary objective is to regulate **metropolitan transportation security** ("segurança do transporte metropolitano") and establish ancillary provisions. It addresses critical aspects such as:
- **Juridical Persons:** Legal entities responsible for transportation operations.
- **Time Limits:** Deadlines for compliance and regulatory enforcement.
- **Execution:** Protocols for implementing safety measures.
- **Legal Norms:** Binding standards for transportation infrastructure and services.
- **Obligations:** Mandatory requirements for operators and oversight bodies.

### Jurisdiction and Language
The statute applies exclusively to the **Federative Republic of Brazil**, with legal force across all municipalities and federal districts. It is written in **Brazilian Portuguese**, the country’s official language, ensuring accessibility to the population. The law’s geographic scope aligns with Brazil’s status as the largest country in South America, spanning 8.5 million km² and governing transportation systems in densely populated urban areas like São Paulo and Rio de Janeiro.

### Accessibility and Publication
Law No. 6149 is publicly available via the **LexML Brazil** database, a digital repository for federal legislation. Its unique identifier (`urn:lex:br:federal:lei:1974-12-02;6149`) facilitates precise citation and retrieval. The full text is also accessible through the official government portal [https://www.planalto.gov.br/ccivil_03/leis/1970-1979/l6149.htm](https://www.planalto.gov.br/ccivil_03/leis/1970-1979/l6149.htm), ensuring transparency and compliance with Brazil’s constitutional principles of open governance.

### Historical Context
Enacted during Brazil’s military dictatorship (1964–1985), the law reflects the regime’s focus on infrastructure development and urban modernization. President Geisel’s administration prioritized economic growth and institutional stability, with transportation reforms playing a key role in national integration. Law No. 6149 complements other legislative efforts from this period, such as the 1971 Law of Bids and Contracts, aimed at centralizing state control over public works.

### Legal and Technical Specifications
- **Approved By:** Presidency of the Federative Republic of Brazil (qualifier: determination method = promulgation).
- **Work Available At URL:** [https://www.planalto.gov.br/ccivil_03/leis/1970-1979/l6149.htm](https://www.planalto.gov.br/ccivil_03/leis/1970-1979/l6149.htm).
- **Main Subjects:** Juridical persons, time limits, execution, legal norms, obligations, maintenance.
- **SEO Context:** Tagged under WikiProject Brazilian Laws for Wikimedia initiatives.

### Connected Entities
- **Statute (Class):** As a subclass of "written work" and "document," Law No. 6149 embodies the characteristics of statutory law, including its creation via legislation and exemption from copyright in specific jurisdictions.
- **Brazil (Country):** The law’s jurisdiction aligns with Brazil’s geopolitical structure, including its 26 states and Federal District, and its role as a member of international organizations like the UN and BRICS.
- **Ernesto Geisel (President):** The law’s promulgation under Geisel’s administration contextualizes its enactment within Brazil’s broader political history, including the military regime’s infrastructure policies.

## References

1. [Source](https://www.lexml.gov.br/urn/urn:lex:br:federal:lei:1974-12-02;6149)
2. [Source](https://legislacao.presidencia.gov.br/atos?tipo=LEI&numero=6149&ano=1974&data=02/12/1974&ato=b31g3Yq5kenRVT683)
3. LexML Brasil