# Law No. 3770 of June 7, 1960

> Brazilian law

**Wikidata**: [Q105648756](https://www.wikidata.org/wiki/Q105648756)  
**Source**: https://4ort.xyz/entity/law-no-3770-of-june-7-1960

## Summary
**Law No. 3770 of June 7, 1960** (Lei nº 3770, de 7 de junho de 1960) is a Brazilian federal statute promulgated by President Juscelino Kubitschek. Published in the newly inaugurated capital of Brasília, the law legislatively addresses matters of financial and procedural regulation, specifically focusing on warranties, time limits, prorogation, debts, and payments.

## Key Facts
- **Official Title:** Lei nº 3770, de 7 de junho de 1960.
- **Entity Type:** Statute (formal written document that creates law).
- **Promulgation Date:** June 7, 1960.
- **Approving Authority:** Presidency of the Federative Republic of Brazil.
- **Signed By:** Juscelino Kubitschek (President of Brazil).
- **Jurisdiction:** Brazil.
- **Place of Publication:** Brasília, Federal District.
- **Language:** Brazilian Portuguese.
- **Legal Citation:** Lei nº 3770/1960.
- **LexML Identifier:** `urn:lex:br:federal:lei:1960-06-07;3770`.
- **Primary Subjects:** Warranty (Garantia), Time limit (Prazo), Prorogation (Prorrogação), Debt (Debitos), Payment (Pagamento).
- **Official URL:** Available at `https://www.planalto.gov.br/ccivil_03/leis/1950-1969/l3770.htm`.

## FAQs
**Who approved and promulgated Law No. 3770?**
The law was approved by the Presidency of the Federative Republic of Brazil and promulgated by President Juscelino Kubitschek on June 7, 1960.

**What are the main legal subjects covered by this law?**
The statute addresses specific legal concepts classified as "main subjects," which include warranties, time limits, prorogations (extensions of time), debts, and payments.

**Where was the law published and in what language?**
The law was published in Brasília, the capital of Brazil, and is written in Brazilian Portuguese.

**How is the law classified in legal databases?**
It is classified as a "statute" (instance of) within the Brazilian federal legal system. It is indexed under the WikiProject Brazilian Laws and assigned the LexML ID `urn:lex:br:federal:lei:1960-06-07;3770`.

## Why It Matters
Law No. 3770 serves as a specific manifestation of statutory law within the Brazilian legal framework, enacted during a pivotal period in the nation's history. Promulgated on June 7, 1960, it represents one of the earliest legislative acts formalized in Brasília, following the capital's transfer from Rio de Janeiro on April 21, 1960. As a statute, it functions as a formal written document creating law, binding within the jurisdiction of Brazil. Its focus on debts, payments, and time limits suggests a role in the administrative or financial regulation of the country during the end of the Kubitschek administration, a period marked by significant economic development and infrastructure projects.

## Notable For
- **Historical Timing:** Enacted less than two months after the inauguration of Brasília as the new federal capital, marking it as part of the foundational legal body of the new capital.
- **Presidential Signatory:** One of the final legislative acts signed by President Juscelino Kubitschek, whose term ended in January 1961.
- **Legal Classification:** Serves as a standard example of a Brazilian federal statute (Lei), distinguishing it from executive orders or by-laws.
- **Digital Preservation:** Fully indexed in the Brazilian Legal Information System (LexML) and the official Planalto Palace archives, ensuring public accessibility.

## Body

### Legislative Identity and Classification
Law No. 3770 of June 7, 1960, is formally classified as a **statute**. In the context of legal theory, a statute is a formal written document that creates law, distinct from customary law or judicial decisions. It acts as a manifestation of statutory law and falls under the broader category of "legal term or legal concept." As a subclass of "written work" and "rule," this law serves as an official record of a legal rule enacted by the government of Brazil.

### Enactment and Authority
The statute was created through the process of legislation and was officially promulgated on **June 7, 1960**. The authority behind the law is the **Presidency of the Federative Republic of Brazil**, exercised by **Juscelino Kubitschek**. The determination method for the law's enactment is listed as "promulgation," signifying the formal proclamation of the law's validity. This occurred within the specific historical context of the **Federative Republic of Brazil** (officially República Federativa do Brasil), a presidential representative democratic republic.

### Geopolitical Context
The law's place of publication is listed as **Brasília**. This is historically significant as the law was passed fewer than 50 days after Brasília was inaugurated as the new federal capital on April 21, 1960. Prior to this, the capital was Rio de Janeiro. The law applies to the entire jurisdiction of **Brazil**, the largest country in South America. The official language of the legal text is **Brazilian Portuguese**, reflecting the country's status as the largest Lusophone nation in the world.

### Thematic Scope
According to structured knowledge data, the law addresses five distinct legal concepts as its "main subject":
*   **Warranty (Garantia):** Refers to legal assurances or guarantees.
*   **Time limit (Prazo):** Refers to the period within which certain legal acts must be performed.
*   **Prorogation (Prorrogação):** Refers to the extension of a time limit or term.
*   **Debt (Debitos):** Refers to financial obligations or liabilities.
*   **Payment (Pagamento):** Refers to the performance of an obligation, usually financial.

### Official Identifiers and Access
The law is tracked and accessible through several official identifiers:
*   **LexML Brazil ID:** `urn:lex:br:federal:lei:1960-06-07;3770`. This Uniform Resource Name helps identify the legal resource within the Brazilian Legal Information System.
*   **Legal Citation:** Standardized as **Lei nº 3770/1960**.
*   **Work Available at URL:** The full text is hosted by the official government portal at the Planalto website (`https://www.planalto.gov.br/ccivil_03/leis/1950-1969/l3770.htm`).

### Public Domain Status
As a statute (an edict of government), Law No. 3770 is generally considered to be in the **public domain**. Under the "edict of government doctrine" applied in many jurisdictions (and consistent with Brazilian legal principles regarding official acts), official legal documents such as statutes are not subject to copyright restrictions. This ensures that the public has unrestrained access to the laws they must follow.

## References

1. [Source](https://www.lexml.gov.br/urn/urn:lex:br:federal:lei:1960-06-07;3770)
2. [Source](https://legislacao.presidencia.gov.br/atos?tipo=LEI&numero=3770&ano=1960&data=07/06/1960&ato=df7c3aq50dVRVT097)