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# supervisory authority

*In force · GDPR Article 4, point (21) · Consolidated version of 4 May 2016 · Not yet verified against the official text ·* [*Official source*](https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX:02016R0679-20160504)

### Definition

> (21) supervisory authority means an independent public authority which is established by a Member State pursuant to Article 51;

### Source

[GDPR, Article 4, point (21)](https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX:02016R0679-20160504).