# Law No. 3099 of February 24, 1957

> Brazilian law

**Wikidata**: [Q105649027](https://www.wikidata.org/wiki/Q105649027)  
**Source**: https://4ort.xyz/entity/law-no-3099-of-february-24-1957

## Summary
Law No. 3099 of February 24, 1957 is a Brazilian federal statute that establishes the conditions for the operation of establishments handling reserved, confidential, commercial, or private information. Enacted during President Juscelino Kubitschek's administration, it is a formal written legal document applicable throughout Brazil and written in Brazilian Portuguese. The law is officially cited as *Lei nº 3099/1957* and its full text is available on the official Brazilian government legislative portal.

## Key Facts
- **Official Title:** Lei nº 3099, de 24 de fevereiro de 1957
- **Alias:** Lei nº 3099/1957
- **Publication Date:** February 24, 1957
- **Place of Publication:** Rio de Janeiro (then the capital of Brazil)
- **Jurisdiction:** Brazil (a federal republic)
- **Language:** Brazilian Portuguese
- **Approving Authority:** Presidency of the Federative Republic of Brazil, promulgated by President Juscelino Kubitschek
- **Instance Of:** Statute (a formal written document that creates law)
- **Main Subjects:** Trade, functioning of establishments, decision on conditions, design requirements
- **Law Digest:** "DETERMINA AS CONDIÇÕES PARA O FUNCIONAMENTO DO ESTABELECIMENTO DE INFORMAÇÕES RESERVADAS OU CONFIDENCIAIS, COMERCIAIS OU PARTICULARES." (Determines the conditions for the functioning of the establishment of reserved or confidential information, commercial or private.)
- **LexML Brazil ID:** urn:lex:br:federal:lei:1957-02-24;3099
- **Official URL:** https://www.planalto.gov.br/ccivil_03/leis/1950-1969/l3099.htm
- **Wikidata Description:** Brazilian law
- **Wikimedia Project Focus:** Listed on the focus list of WikiProject Brazilian Laws

## FAQs
**What is the primary purpose of Law No. 3099/1957?**
The law determines the specific conditions under which establishments that manage reserved, confidential, commercial, or private information may operate. It sets the legal framework for such businesses to function within Brazil.

**When was Law No. 3099 enacted and who was responsible?**
It was promulgated on February 24, 1957, by the Presidency of the Federative Republic of Brazil under President Juscelino Kubitschek. The law was published in Rio de Janeiro, which was the national capital at the time.

**What is the correct legal citation for this statute?**
The standard legal citation is *Lei nº 3099/1957*. In formal references, it may also include the full date of enactment: *Lei nº 3099, de 24 de fevereiro de 1957*.

**Where can the complete, official text of the law be accessed?**
The full text is available at the official Brazilian government legislative portal at https://www.planalto.gov.br/ccivil_03/leis/1950-1969/l3099.htm. It is also identified in the LexML Brazil system with the ID `urn:lex:br:federal:lei:1957-02-24;3099`.

**What areas of activity does this law regulate?**
The law's main subjects encompass trade (commercial aspects), the functioning of specific establishments, the decision-making process regarding operational conditions, and the establishment of design requirements for handling sensitive information.

**Is this law part of a broader legal classification?**
Yes, it is formally classified as an instance of a "statute," which is a formal written document that creates law. As a statute, it is a manifestation of statutory law within Brazil's legal system.

**Does this law apply to the entire country?**
Yes, the law applies to the entire jurisdiction of Brazil, which is a federal republic. It was enacted at the federal level and is binding across all states and the Federal District.

## Why It Matters
Law No. 3099/1957 is a component of Brazil's mid-20th century statutory framework, addressing the regulatory needs for businesses handling confidential information during a period of rapid industrialization and urban development under President Kubitschek's "50 years in 5" plan. It provides the historical legal basis for the operation of information-sensitive establishments, such as credit agencies, investigative firms, or data processors, predating modern digital privacy laws. The law's continued digitization and availability on official government portals like *planalto.gov.br* ensure public access to Brazil's legal heritage, supporting legal transparency, historical research, and the understanding of the evolution of commercial and information regulation in Brazil. Its existence as a formally cataloged statute within WikiProject Brazilian Laws also highlights its role in the systematic documentation of the nation's legislative corpus.

## Notable For
- **Historical Presidential Context:** Enacted during the presidency of Juscelino Kubitschek (1956–1961), a pivotal era in Brazil's modern development and the construction of Brasília.
- **Specific Regulatory Niche:** Focuses exclusively on the operational conditions for establishments dealing with reserved or confidential information, a specialized area of commercial regulation.
- **Digital Preservation:** Recognized with a permanent LexML Brazil identifier and hosted on the official *planalto.gov.br* portal, ensuring long-term, authoritative online access.
- **Documentation Priority:** Included on the focus list of WikiProject Brazilian Laws, indicating its recognized importance for comprehensive coverage of Brazilian federal legislation on Wikimedia platforms.
- **Geographical Specificity:** Published in Rio de Janeiro, reflecting its status as the national capital before the transfer to Brasília in 1960.
- **Statutory Form:** As a formal statute, it represents the primary legislative instrument through which the Brazilian federal government created this specific legal rule.

## Body

### Legislative Identification and Metadata
Law No. 3099 of February 24, 1957 is formally titled *Lei nº 3099, de 24 de fevereiro de 1957*. It is commonly cited by its shorter alias, *Lei nº 3099/1957*. The law was officially published on its enactment date, February 24, 1957, in the city of Rio de Janeiro, which served as the capital of Brazil until the inauguration of Brasília in 1960. It applies to the entire jurisdiction of the Federative Republic of Brazil and its authoritative text is in Brazilian Portuguese. The law is assigned the unique LexML Brazil identifier `urn:lex:br:federal:lei:1957-02-24;3099` for standardized digital identification and reference.

### Enactment Authority and Process
The law was approved and promulgated by the Presidency of the Federative Republic of Brazil. The specific head of state and government at the time of its enactment was President Juscelino Kubitschek. The determination method recorded for its approval is "promulgation," indicating it followed the standard legislative process of approval by the National Congress and subsequent presidential sanction. This places it within the normal sequence of federal statute creation in Brazil.

### Substantive Content and Legal Scope
The core substantive content of the law is summarized in its digest: it "DETERMINA AS CONDIÇÕES PARA O FUNCIONAMENTO DO ESTABELECIMENTO DE INFORMAÇÕES RESERVADAS OU CONFIDENCIAIS, COMERCIAIS OU PARTICULARES." This translates to a mandate to determine the conditions for the functioning of establishments that handle reserved, confidential, commercial, or private information. The structured data identifies four main subject areas:
- **Trade:** The law regulates a commercial activity.
- **Functioning:** It governs the operation or running of specific types of businesses or establishments.
- **Decision:** It involves a formal determination or ruling on the conditions that must be met.
- **Design Requirement:** It sets forth specific requirements or standards that must be designed into the establishment's operations.

As a statute, it is a formal written document that creates law, functioning as the tangible manifestation of a statutory legal norm within Brazil's legal system.

### Historical and National Context
The law was created in 1957, during the presidency of Juscelino Kubitschek (1956–1961), a period marked by the ambitious "50 years in 5" development plan and the construction of the new capital, Brasília. At that time, Rio de Janeiro was still the seat of the federal government and the location for the publication of federal laws. Brazil, having been an independent federative republic since 1889 (following its independence from Portugal in 1822), operates under a civil law system where statutes like this one are the primary source of law. The law reflects the regulatory needs of a growing, industrializing economy concerned with commercial secrecy and information management in the pre-digital era.

### Digital Accessibility and Preservation
The law's full text is made publicly available by the Brazilian federal government on the official legislative portal (*planalto.gov.br*), specifically within the consolidated laws database for the years 1950–1969. Its inclusion in the LexML Brazil system provides a persistent, machine-readable identifier (`urn:lex:br:federal:lei:1957-02-24;3099`) that facilitates its discovery and integration into digital legal information systems. In Wikidata, it is described succinctly as a "Brazilian law," connecting it to broader knowledge graphs. This digital availability is crucial for legal practitioners, historians, and the public, aligning with the principle that official legal documents are in the public domain.

### Documentation and Research Context
This specific law is recognized as a subject of focused documentation effort by **WikiProject Brazilian Laws** on Wikimedia platforms, as indicated by its placement on the project's focus list. This signifies its importance for achieving comprehensive coverage of Brazilian federal legislation in Wikipedia and related projects. Its structured data properties—including the LexML ID, official URL, and clear citation format—support its integration into legal research databases, academic studies on Brazilian law, and comparative analyses of mid-20th century commercial regulations. The law serves as a data point in understanding the evolution of Brazil's approach to regulating information-sensitive businesses.

## References

1. [Source](https://www.lexml.gov.br/urn/urn:lex:br:federal:lei:1957-02-24;3099)
2. [Source](https://legislacao.presidencia.gov.br/atos?tipo=LEI&numero=3099&ano=1957&data=24/02/1957&ato=aefQzZU5UMNRVT349)
3. LexML Brasil