# Law No. 4287 of December 3, 1963

> Brazilian law

**Wikidata**: [Q105647957](https://www.wikidata.org/wiki/Q105647957)  
**Source**: https://4ort.xyz/entity/law-no-4287-of-december-3-1963

## Summary
Law No. 4287 of December 3, 1963 is a Brazilian federal statute that grants tax exemptions to Petróleo Brasileiro S/A (Petrobras) and its subsidiaries, effective retroactively from January 1, 1963. Promulgated by President João Goulart, the law serves as a formal legal instrument within the Brazilian jurisdiction to provide fiscal benefits to the state-owned oil company.

## Key Facts
- **Full Title:** Lei nº 4287, de 3 de dezembro de 1963
- **Promulgation Date:** December 3, 1963
- **Approving Authority:** Presidency of the Federative Republic of Brazil (President João Goulart)
- **Instance Of:** Statute
- **Main Subjects:** Tax exemption (Isenção) and taxes (Impostos)
- **Jurisdiction:** Brazil
- **Language:** Brazilian Portuguese
- **Legal Citation:** Lei nº 4287/1963
- **Lexml Brazil ID:** urn:lex:br:federal:lei:1963-12-03;4287
- **Place of Publication:** Brasília
- **Effective Date of Provisions:** January 1, 1963
- **Beneficiary:** Petróleo Brasileiro S/A and its subsidiaries
- **Official URL:** https://www.planalto.gov.br/ccivil_03/leis/1950-1969/l4287.htm

## FAQs
**What is the primary purpose of Law No. 4287/1963?**
The law grants fiscal (tax) exemptions to Petróleo Brasileiro S/A (Petrobras) and its subsidiary companies starting from January 1, 1963, and establishes other related provisions.

**Who signed Law No. 4287/1963 into effect?**
The statute was promulgated by the Presidency of the Federative Republic of Brazil, under the administration of President João Goulart.

**Where is the official text of Law No. 4287/1963 accessible?**
The full text of the law is available in Brazilian Portuguese on the official Brazilian Presidency website (Portal do Planalto) at https://www.planalto.gov.br/ccivil_03/leis/1950-1969/l4287.htm.

## Why It Matters
Law No. 4287 of December 3, 1963, is a significant legislative act reflecting the Brazilian government's policy of supporting state-owned enterprises through fiscal incentives during the early 1960s. By granting tax exemptions to Petrobras, the state-controlled oil giant, the law aimed to strengthen the national energy sector. As a formal statute, it represents the exercise of legislative authority to create binding legal norms. The law is also notable for its retroactive application, setting the effective date for tax exemptions nearly a year prior to its official promulgation.

## Notable For
- **Targeted Fiscal Incentive:** Specifically designates Petróleo Brasileiro S/A (Petrobras) and its subsidiaries as the sole beneficiaries of the tax exemptions.
- **Retroactive Effectiveness:** The tax exemptions apply starting from January 1, 1963, predating the law's December 3, 1963, promulgation.
- **Historical Political Context:** Enacted during the presidency of João Goulart, a period marked by significant political and economic activity in Brazil.
- **Public Domain Status:** As an official government edict (statute), the document is part of the public domain, ensuring unrestricted public access.

## Body

### Definition and Legal Classification
Law No. 4287 of December 3, 1963, is formally classified as a **statute**. A statute is a formal written document that creates law and serves as a manifestation of statutory law. It is an instance of a legal term or concept and a subclass of written work, document, and rule. This law functions as a legal norm caused by the legislation process and applies to the jurisdiction of **Brazil**.

### Enactment and Authority
The statute was officially approved by the **Presidency of the Federative Republic of Brazil**. The determination method for this law was promulgation, which occurred on **December 3, 1963**. The law is associated with **João Goulart**, who served as the President at the time. The place of publication for this legal instrument was **Brasília**, the federal capital of Brazil.

### Subject Matter and Provisions
The law's primary function is defined in its digest: it "CONCEDE ISENÇÃO FISCAL A PETROLEO BRASILEIRO S/A E SUAS SUBSIDIARIAS A PARTIR DE 1 DE JANEIRO DE 1963 E DA OUTRAS PROVIDENCIAS" (Grants fiscal exemption to Petróleo Brasileiro S/A and its subsidiaries from January 1, 1963, and provides other measures). Consequently, the main subjects of this legal text are **tax exemption** (Isenção) and **taxes** (Impostos). The beneficiary of these provisions is **Petróleo Brasileiro S/A** (commonly known as Petrobras) and its subsidiary organizations.

### Identifiers and Official Resources
The law is cataloged and accessible through various official identifiers and systems:
- **Title:** Lei nº 4287, de 3 de dezembro de 1963
- **Alias:** Lei nº 4287, de 3 de dezembro de 1963
- **Lexml Brazil ID:** `urn:lex:br:federal:lei:1963-12-03;4287`
- **Legal Citation:** Lei nº 4287/1963
- **Language:** Brazilian Portuguese

The full work is available to the public at the URL: `https://www.planalto.gov.br/ccivil_03/leis/1950-1969/l4287.htm`. As a statute, it falls under the broad category of acts, executive orders, and by-laws that constitute formal written law.

## References

1. [Source](https://www.lexml.gov.br/urn/urn:lex:br:federal:lei:1963-12-03;4287)
2. [Source](https://legislacao.presidencia.gov.br/atos?tipo=LEI&numero=4287&ano=1963&data=03/12/1963&ato=639Uzaq50MVRVT456)
3. LexML Brasil