Brazil: Law 14.222/2021 creating the National Nuclear Safety Authority (ANSN)
Brazil's Law 14.222/2021 split the National Nuclear Safety Authority (ANSN) from CNEN and gives it competence to issue licences and authorisations for site selection, construction, commissioning, operation and decommissioning of nuclear installations. Most provisions take effect with the decree approving ANSN's structure. It licenses no reactor itself.
- Category
- Laws, rules and executive directives
- Status
- In effect
- Instrument
- statute · Lei nº 14.222, de 15 de outubro de 2021, Diário Oficial da União de 18 de outubro de 2021
- Issued by
- Congresso Nacional (sanctioned by the President of the Republic)
- Jurisdiction
- Brazil
- Affects
- National reactor licensing, Licensing review fees
- In effect from
- 18 Oct 2021 · actual · day
- Expiry or completion
- None recorded
- Operative text
- Senado Federal: Lei nº 14.222, de 15 de outubro de 2021 (publicação original, DOU 18/10/2021) (Original text as published in the Diário Oficial da União of 18 October 2021 (Senate legislation database))
- Record reviewed · next review
- 2026-10-18 · 2027-04-18 (dates our review of this record; not a statement of the measure's present legal effect)
Legal and geographic scope
Federal statute that creates the National Nuclear Safety Authority (ANSN), a federal autarchy split from the National Nuclear Energy Commission (CNEN) (art. 1), whose purpose is to monitor, regulate and inspect nuclear safety and radiological protection of nuclear activities and installations in Brazil (art. 2). Article 6, V(a) gives ANSN competence to assess safety, inspect and issue licences, authorisations, approvals and certifications for site selection and approval, construction, commissioning, operation, modification and decommissioning of nuclear installations; naval vessels with embarked nuclear plants are regulated by the Navy Command (art. 7). Articles 34 and 40 amend Law 6.189/1974, including CNEN's functions, and revoke several of its provisions. The Act entered into force on publication, but apart from changes to the licensing, control and inspection fee (from 1 January 2022) its provisions take effect when the decree approving ANSN's regimental structure enters into force (art. 41). It does not itself license any reactor.
Not approved or still pending
Establishes no licence for any project. The compiled current texts of this Act and of Law 6.189/1974 were unreachable, so later amendments are not verified; Decree 11.142/2022 (named by ANSN as approving its regimental structure) was not read, so the date the deferred provisions took effect is not recorded; ANSN regulatory norms were not reviewed.
Dated lifecycle
- 15 Oct 2021 · actual · day · Signed (Senado Federal: Lei nº 14.222, de 15 de outubro de 2021 (publicação original, DOU 18/10/2021))
- 18 Oct 2021 · actual · day · Published — Diário Oficial da União, p. 2. (Senado Federal: Lei nº 14.222 de 15/10/2021, norm record)
- 18 Oct 2021 · actual · day · Took effect — Art. 41: in force on publication; most provisions take effect when the decree approving ANSN's regimental structure enters into force. (Senado Federal: Lei nº 14.222, de 15 de outubro de 2021 (publicação original, DOU 18/10/2021))
- 1 Jan 2022 · actual · day · Provision took effect — Art. 41, I: changes to the licensing, control and inspection fee (TLC). (Senado Federal: Lei nº 14.222, de 15 de outubro de 2021 (publicação original, DOU 18/10/2021))
Related instruments
- Brazil: Federal Constitution art. 225 § 6, location of nuclear power plants defined by federal law (related)
Projects or designs named by the source
- None. Location in this jurisdiction does not make a project eligible for, or approved under, this measure.
Sources
- Senado Federal: Lei nº 14.222, de 15 de outubro de 2021 (publicação original, DOU 18/10/2021) (government_primary, dated 15 Oct 2021, accessed 2026-10-18)
- Senado Federal: Lei nº 14.222 de 15/10/2021, norm record (government_primary, accessed 2026-10-18)
- ANSN: Base jurídica da estrutura organizacional e das competências (regulator_primary, page updated 3 Feb 2026, accessed 2026-10-18)