--- title: "What should teams do about Legitimate Interest Balancing under the Brazil LGPD?" canonical_url: "https://www.sorena.io/artifacts/latam/brazil-lgpd/faq/legitimate-interest-balancing" source_url: "https://www.sorena.io/artifacts/latam/brazil-lgpd/faq/legitimate-interest-balancing" author: "Sorena AI" description: "Brazil LGPD guidance for Legitimate Interest Balancing, with practical decisions, evidence, edge cases, and external source citations." published_at: "2026-05-09" updated_at: "2026-05-09" keywords: - "Brazil LGPD" - "Legitimate Interest Balancing" - "Brazil LGPD Legitimate Interest Balancing" - "compliance checklist" - "practical guidance" - "Compliance" - "Regulatory guidance" --- **[SORENA](https://www.sorena.io/)** - AI-Powered GRC Platform [Home](https://www.sorena.io/) | [Solutions](https://www.sorena.io/solutions) | [Artifacts](https://www.sorena.io/artifacts) | [About Us](https://www.sorena.io/about-us) | [Contact](https://www.sorena.io/contact) | [Portal](https://app.sorena.io) --- # What should teams do about Legitimate Interest Balancing under the Brazil LGPD? Brazil LGPD guidance for Legitimate Interest Balancing, with practical decisions, evidence, edge cases, and external source citations. *Artifact Guide* *Brazil* *Legitimate Interest Balancing* ## Brazil LGPD Legitimate Interest Balancing Legitimate Interest Balancing under the Brazil LGPD is a practical check: a controller may rely on legitimate interest only for a real, specific purpose, using only the data strictly needed, with transparency and a record of the decision. Use this page to understand what the rule means, when it can be used, and what evidence teams should keep before they launch or change a processing activity. Under the Brazil LGPD, legitimate-interest balancing means checking whether a controller can use legitimate interest as the legal basis for a specific processing activity. The law says the purpose must be legitimate and concrete, the processing must be limited to the minimum data needed, and the controller must ensure transparency and keep a record of the decision. ## What should teams do about Legitimate Interest Balancing under the Brazil LGPD? Teams should treat Legitimate Interest Balancing under the Brazil LGPD as a source-linked operating decision: confirm whether the issue affects controller/operator roles, lawful basis, data-subject rights, children data, international transfers, security incidents, DPO/encarregado duties, or ANPD enforcement exposure, assign the team that can change the process, and keep evidence showing the action and review trigger. In plain language, the rule lets a controller rely on legitimate interest only when the purpose is real and specific, the processing stays within what is strictly necessary, and the controller can explain the balance and show why the activity is allowed. - Write the Legitimate Interest Balancing decision in one sentence before drafting controls. - Attach the external source URL and a short source quote to the evidence record. - Route unclear cases to legal, privacy, security, or compliance review before launch. Sources for this answer: - [LEI Nº 13.709, DE 14 DE AGOSTO DE 2018 - Art. 10](https://www.planalto.gov.br/ccivil_03/_Ato2015-2018/2018/Lei/L13709compilado.htm?ref=sorena.io) - Article 10 is the official LGPD basis for legitimate-interest balancing, including necessity, transparency, and ANPD impact-report requests. - [LEI Nº 13.709, DE 14 DE AGOSTO DE 2018 - Art. 10 §1º](https://www.planalto.gov.br/ccivil_03/_Ato2015-2018/2018/Lei/L13709compilado.htm?ref=sorena.io) - Necessity language supports limiting legitimate-interest processing to the minimum personal data needed for the stated purpose. - [LEI Nº 13.709, DE 14 DE AGOSTO DE 2018 - Art. 10 §2º](https://www.planalto.gov.br/ccivil_03/_Ato2015-2018/2018/Lei/L13709compilado.htm?ref=sorena.io) - Transparency language supports documenting notices and review evidence for legitimate-interest balancing. ## What evidence should teams keep for Legitimate Interest Balancing under the Brazil LGPD? Useful evidence is not just a privacy notice. Keep the source, role map, lawful-basis note, rights log, transfer analysis, incident assessment, DPO review, and approval trail together. - Source URL and quote used for the decision. - Scope notes, screenshots, data-flow or system references, and role mapping. - Implementation ticket, approval record, exception notes, and review date. Sources for this answer: - [LEI Nº 13.709, DE 14 DE AGOSTO DE 2018 - Art. 10 §1º](https://www.planalto.gov.br/ccivil_03/_Ato2015-2018/2018/Lei/L13709compilado.htm?ref=sorena.io) - Necessity language supports limiting legitimate-interest processing to the minimum personal data needed for the stated purpose. - [LEI Nº 13.709, DE 14 DE AGOSTO DE 2018 - Art. 10 §2º](https://www.planalto.gov.br/ccivil_03/_Ato2015-2018/2018/Lei/L13709compilado.htm?ref=sorena.io) - Transparency language supports documenting notices and review evidence for legitimate-interest balancing. - [LEI Nº 13.709, DE 14 DE AGOSTO DE 2018 - Art. 10 §3º](https://www.planalto.gov.br/ccivil_03/_Ato2015-2018/2018/Lei/L13709compilado.htm?ref=sorena.io) - ANPD impact-report language supports retaining a balancing record and escalation path for legitimate-interest processing. ## Which mistakes create risk when handling Legitimate Interest Balancing under the Brazil LGPD? The common failure pattern is using a GDPR-style answer without checking LGPD roles, lawful bases, ANPD guidance, transfer rules, incident thresholds, and Brazilian enforcement context. - Using an old threshold, deadline, source page, or contract template without checking current source text. - Treating a source-linked exception as a general exemption for every product or data flow. - Publishing notices, controls, or answers that do not match the actual product behavior. Sources for this answer: - [LEI Nº 13.709, DE 14 DE AGOSTO DE 2018 - Art. 10](https://www.planalto.gov.br/ccivil_03/_Ato2015-2018/2018/Lei/L13709compilado.htm?ref=sorena.io) - Article 10 is the official LGPD basis for legitimate-interest balancing, including necessity, transparency, and ANPD impact-report requests. - [LEI Nº 13.709, DE 14 DE AGOSTO DE 2018 - Art. 10 §1º](https://www.planalto.gov.br/ccivil_03/_Ato2015-2018/2018/Lei/L13709compilado.htm?ref=sorena.io) - Necessity language supports limiting legitimate-interest processing to the minimum personal data needed for the stated purpose. - [LEI Nº 13.709, DE 14 DE AGOSTO DE 2018 - Art. 10 §2º](https://www.planalto.gov.br/ccivil_03/_Ato2015-2018/2018/Lei/L13709compilado.htm?ref=sorena.io) - Transparency language supports documenting notices and review evidence for legitimate-interest balancing. - [LEI Nº 13.709, DE 14 DE AGOSTO DE 2018 - Art. 10 §3º](https://www.planalto.gov.br/ccivil_03/_Ato2015-2018/2018/Lei/L13709compilado.htm?ref=sorena.io) - ANPD impact-report language supports retaining a balancing record and escalation path for legitimate-interest processing. ## Primary sources - [LEI Nº 13.709, DE 14 DE AGOSTO DE 2018 - Art. 10](https://www.planalto.gov.br/ccivil_03/_Ato2015-2018/2018/Lei/L13709compilado.htm?ref=sorena.io) - Article 10 is the official LGPD basis for legitimate-interest balancing, including necessity, transparency, and ANPD impact-report requests. - Quote: "O legítimo interesse do controlador somente poderá fundamentar tratamento de dados pessoais para finalidades legítimas" - [RESOLUÇÃO CD/ANPD Nº 1, DE 28 DE OUTUBRO DE 2021](https://www.gov.br/anpd/pt-br/acesso-a-informacao/institucional/atos-normativos/regulamentacoes_anpd/resolucao-cd-anpd-no1-2021?ref=sorena.io) - ANPD inspection regulation used to connect source-linked decisions to preventive, monitoring, and enforcement review records. - Quote: "atuação baseada, preferencialmente, na construção conjunta e dialogada de soluções" ## Topic Guides - [Brazil LGPD Anpd Enforcement And Fines Guide](/artifacts/latam/brazil-lgpd/anpd-enforcement-and-fines.md): Brazil LGPD guidance for Anpd Enforcement And Fines, with practical decisions, evidence, edge cases, and external source citations. - [Brazil LGPD Applicability Test Guide](/artifacts/latam/brazil-lgpd/applicability-test.md): Practical guidance for the Brazil LGPD applicability test, with practical decisions, evidence, edge cases, and external source citations. - [Brazil LGPD Breach Notification Guide](/artifacts/latam/brazil-lgpd/breach-notification.md): Brazil LGPD guidance for Breach Notification, with practical decisions, evidence, edge cases, and external source citations. - [Brazil LGPD Checklist](/artifacts/latam/brazil-lgpd/checklist.md): Practical guidance for the Brazil LGPD checklist, with practical decisions, evidence, edge cases, and external source citations. - [Brazil LGPD Compliance Guide](/artifacts/latam/brazil-lgpd/compliance.md): Practical guidance for the Brazil LGPD compliance, with practical decisions, evidence, edge cases, and external source citations. - [Brazil LGPD Controller Operator And DPO Roles Guide](/artifacts/latam/brazil-lgpd/controller-operator-and-dpo-roles.md): Brazil LGPD guidance for Controller Operator And DPO Roles, with practical decisions, evidence, edge cases, and external source citations. - [Brazil LGPD Data Subject Rights Guide](/artifacts/latam/brazil-lgpd/data-subject-rights.md): Brazil LGPD guidance for Data Subject Rights, with practical decisions, evidence, edge cases, and external source citations. - [Brazil LGPD Deadlines and Compliance Calendar Guide](/artifacts/latam/brazil-lgpd/deadlines-and-compliance-calendar.md): Brazil LGPD guidance for Deadlines and Compliance Calendar, with practical decisions, evidence, edge cases, and external source citations. - [Brazil LGPD DSAR Response Template Guide](/artifacts/latam/brazil-lgpd/lgpd-dsar-response-template.md): Brazil LGPD guidance for LGPD DSAR Response Template, with practical decisions, evidence, edge cases, and external source citations. - [Brazil LGPD DSAR Workflow Guide](/artifacts/latam/brazil-lgpd/dsar-workflow.md): Brazil LGPD guidance for DSAR Workflow, with practical decisions, evidence, edge cases, and external source citations. - [Brazil LGPD Incident Reporting To Anpd Guide](/artifacts/latam/brazil-lgpd/incident-reporting-to-anpd.md): Brazil LGPD guidance for Incident Reporting To Anpd, with practical decisions, evidence, edge cases, and external source citations. - [Brazil LGPD Incident Workflow Guide](/artifacts/latam/brazil-lgpd/incident-workflow.md): Brazil LGPD guidance for Incident Workflow, with practical decisions, evidence, edge cases, and external source citations. - [Brazil LGPD International Transfer Mechanisms Guide](/artifacts/latam/brazil-lgpd/international-transfer-mechanisms.md): Brazil LGPD guidance for International Transfer Mechanisms, with practical decisions, evidence, edge cases, and external source citations. - [Brazil LGPD International Transfers Guide](/artifacts/latam/brazil-lgpd/international-transfers.md): Brazil LGPD guidance for International Transfers, with practical decisions, evidence, edge cases, and external source citations. - [Brazil LGPD Lawful Bases Guide](/artifacts/latam/brazil-lgpd/lawful-bases.md): Brazil LGPD guidance for Lawful Bases, with practical decisions, evidence, edge cases, and external source citations. - [Brazil LGPD Legal Bases And Legitimate Interest Balancing Guide](/artifacts/latam/brazil-lgpd/legal-bases-and-legitimate-interest-balancing.md): Brazil LGPD guidance for Legal Bases And Legitimate Interest Balancing, with practical decisions, evidence, edge cases, and external source citations. - [Brazil LGPD penalties and fines Guide](/artifacts/latam/brazil-lgpd/penalties-and-fines.md): Brazil LGPD guidance for penalties and fines, with practical decisions, evidence, edge cases, and external source citations. - [Brazil LGPD Privacy Law FAQ](/artifacts/latam/brazil-lgpd/faq.md): Practical guidance for the Brazil LGPD FAQ, with practical decisions, evidence, edge cases, and external source citations. - [Brazil LGPD Requirements Guide](/artifacts/latam/brazil-lgpd/requirements.md): Practical guidance for the Brazil LGPD requirements, with practical decisions, evidence, edge cases, and external source citations. - [Brazil LGPD Ripd And DPIA Evidence Guide](/artifacts/latam/brazil-lgpd/ripd-and-dpia-evidence.md): Brazil LGPD guidance for Ripd And DPIA Evidence, with practical decisions, evidence, edge cases, and external source citations. - [Brazil LGPD Ripd Workflow Guide](/artifacts/latam/brazil-lgpd/ripd-workflow.md): Brazil LGPD guidance for Ripd Workflow, with practical decisions, evidence, edge cases, and external source citations. - [Brazil LGPD Small Processing Agents Guide](/artifacts/latam/brazil-lgpd/small-processing-agents.md): Brazil LGPD guidance for Small Processing Agents, with practical decisions, evidence, edge cases, and external source citations. - [Brazil LGPD Templates Guide](/artifacts/latam/brazil-lgpd/templates.md): Practical guidance for the Brazil LGPD templates, with practical decisions, evidence, edge cases, and external source citations. - [Brazil LGPD Transfer Workflow Guide](/artifacts/latam/brazil-lgpd/transfer-workflow.md): Brazil LGPD guidance for Transfer Workflow, with practical decisions, evidence, edge cases, and external source citations. - [Brazil LGPD vs CCPA Guide](/artifacts/latam/brazil-lgpd/lgpd-vs-ccpa.md): Brazil LGPD guidance for LGPD vs CCPA, with practical decisions, evidence, edge cases, and external source citations. - [Brazil LGPD vs GDPR Guide](/artifacts/latam/brazil-lgpd/lgpd-vs-gdpr.md): Brazil LGPD guidance for LGPD vs GDPR, with practical decisions, evidence, edge cases, and external source citations. - [What should teams do about Children's Data under the Brazil LGPD?](/artifacts/latam/brazil-lgpd/faq/children-s-data.md): Brazil LGPD guidance for Children's Data, with practical decisions, evidence, edge cases, and external source citations. - [What should teams do about Controller Operator And DPO Roles under the Brazil LGPD?](/artifacts/latam/brazil-lgpd/faq/controller-operator-and-dpo-roles.md): Brazil LGPD guidance for Controller Operator And DPO Roles, with practical decisions, evidence, edge cases, and external source citations. - [What should teams do about Cookies under the Brazil LGPD?](/artifacts/latam/brazil-lgpd/faq/cookies.md): Brazil LGPD guidance for Cookies, with practical decisions, evidence, edge cases, and external source citations. - [What should teams do about Incident Reporting To ANPD under the Brazil LGPD?](/artifacts/latam/brazil-lgpd/faq/incident-reporting-to-anpd.md): Brazil LGPD guidance for Incident Reporting To ANPD, with practical decisions, evidence, edge cases, and external source citations. - [What should teams do about International Transfer Mechanisms under the Brazil LGPD?](/artifacts/latam/brazil-lgpd/faq/international-transfer-mechanisms.md): Brazil LGPD guidance for International Transfer Mechanisms, with practical decisions, evidence, edge cases, and external source citations. - [What should teams do about Legal Bases under the Brazil LGPD?](/artifacts/latam/brazil-lgpd/faq/legal-bases.md): Brazil LGPD guidance for Legal Bases, with practical decisions, evidence, edge cases, and external source citations. - [What should teams do about Ripd And DPIA under the Brazil LGPD?](/artifacts/latam/brazil-lgpd/faq/ripd-and-dpia.md): Brazil LGPD guidance for Ripd And DPIA, with practical decisions, evidence, edge cases, and external source citations. - [What should teams do about Sanctions Methodology under the Brazil LGPD?](/artifacts/latam/brazil-lgpd/faq/sanctions-methodology.md): Brazil LGPD guidance for Sanctions Methodology, with practical decisions, evidence, edge cases, and external source citations. - [What should teams do about Small Processing Agents under the Brazil LGPD?](/artifacts/latam/brazil-lgpd/faq/small-processing-agents.md): Brazil LGPD guidance for Small Processing Agents, with practical decisions, evidence, edge cases, and external source citations. *Recommended next step* *Placement: after the practical guidance* ## Turn Brazil LGPD Legitimate Interest Balancing into assigned work This artifact page provides practical inputs, owner roles, required outputs, and evidence checkpoints for legitimate interest balancing. - [Open Assessment Autopilot for Brazil LGPD](/solutions/assessment.md): Turn Legitimate Interest Balancing into scoped questions, evidence fields, and review tasks. - [Review Brazil LGPD source evidence](/solutions/research-copilot.md): Use Research Copilot to answer follow-up questions with cited source material. - [Talk through implementation](/contact.md): Review scope, evidence, owners, and the next compliance actions with operational practice. --- [Privacy Policy](https://www.sorena.io/privacy) | [Terms of Use](https://www.sorena.io/terms-of-use) | [DMCA](https://www.sorena.io/dmca) | [About Us](https://www.sorena.io/about-us) (c) 2026 Sorena AB (559573-7338). 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