# Competence 55(1) — GDPR — provision context

> Focused context for a single provision (55(1)), curated from overview.legal on 2026-08-22. Canonical: https://overview.legal/laws/gdpr/art-55#par-1
> Verify against the official text (EUR-Lex / wetten.overheid.nl) before relying on it.

Part of **Competence** (GDPR, full article: https://overview.legal/laws/gdpr/art-55).

## Provision text

### 55(1)

Each supervisory authority shall be competent for the performance of the tasks assigned to and the exercise of the powers conferred on it in accordance with this Regulation on the territory of its own Member State.


## Topics on this provision

- **Supervisory Authorities** — https://overview.legal/topics/supervisory-authorities
  National data protection authorities and their powers
- **Supervision** — https://overview.legal/topics/toezicht
  Oversight and enforcement by supervisory authorities

## Cited by (exact-provision citations)

- **Judgment of the Court (Grand Chamber) of 16 January 2024.#Österreichische Datenschutzbehörde v WK.#Request for a preliminary ruling from the Verwaltungsgerichtshof.#Reference for a preliminary ruling – Protection of natural persons with regard to the processing of personal data – Article 16 TFEU – Regulation (EU) 2016/679 – Article 2(2)(a) – Scope – Exclusions – Activities which fall outside the scope of Union law – Article 4(2) TEU – Activities concerning national security – Committee of inquir** (case-law) — https://overview.legal/posts/132273
- **Judgment of the Court (Grand Chamber) of 15 June 2021.#Facebook Ireland Ltd and Others v Gegevensbeschermingsautoriteit.#Request for a preliminary ruling from the Hof van beroep te Brussel.#Reference for a preliminary ruling – Protection of natural persons with regard to the processing of personal data – Charter of Fundamental Rights of the European Union – Articles 7, 8 and 47 – Regulation (EU) 2016/679 – Cross-border processing of personal data – ‘One-stop shop’ mechanism – Sincere and effecti** (case-law) — https://overview.legal/posts/132323
- **Judgment of the General Court (Tenth Chamber, Extended Composition) of 16 July 2025.#Lisa Ballmann v European Data Protection Board.#Protection of personal data – Complaint against the controller of personal data of users of an online social network in the European Union – Article 65(1)(a) of Regulation (EU) 2016/679 – Binding decision of the European Data Protection Board – Complainant’s request for access to the file prepared for the purposes of the binding decision – Refusal to grant access –** (case-law) — https://overview.legal/posts/132139
- **Judgment of the Court (Fourth Chamber) of 7 March 2024.#IAB Europe v Gegevensbeschermingsautoriteit.#Request for a preliminary ruling from the Hof van beroep te Brussel.#Reference for a preliminary ruling – Protection of natural persons with regard to the processing of personal data – Regulation (EU) 2016/679 – Standard-setting sectoral organisation proposing to its members rules on the processing of users’ consent – Article 4(1) – Concept of ‘personal data’ – String of letters and characters ca** (case-law) — https://overview.legal/posts/132270
- **Judgment of the Court (Grand Chamber) of 20 September 2022.#Bundesrepublik Deutschland v SpaceNet AG and Telekom Deutschland GmbH.#Requests for a preliminary ruling from the Bundesverwaltungsgericht.#Reference for a preliminary ruling – Processing of personal data in the electronic communications sector – Confidentiality of communications – Providers of electronic communications services – General and indiscriminate retention of traffic and location data – Directive 2002/58/EC – Article 15(1) –** (case-law) — https://overview.legal/posts/132305
- **Meta Platforms v noyb** (case-law) — https://overview.legal/posts/51484
- **Data Protection Commissioner v Facebook Ireland and Maximillian Schrems** (case-law) — https://overview.legal/posts/51470
- **Judgment of the Court (Grand Chamber) of 10 February 2026.#WhatsApp Ireland Ltd v European Data Protection Board.#Appeal – Protection of natural persons with regard to the processing of personal data – Regulation (EU) 2016/679 – Article 63 – Consistency mechanism – Article 65 – Dispute resolution by the European Data Protection Board – Binding decision – Action for annulment – First paragraph of Article 263 TFEU – Act open to challenge – Fourth paragraph of Article 263 TFEU – Condition that the** (case-law) — https://overview.legal/posts/132126
- **Judgment of the Court (Eighth Chamber) of 19 December 2024.#MK v K GmbH.#Request for a preliminary ruling from the Bundesarbeitsgericht.#Reference for a preliminary ruling – Protection of natural persons with regard to the processing of personal data – Regulation (EU) 2016/679 – Article 88(1) and (2) – Processing in the context of employment – Employees’ personal data – More specific rules provided for by a Member State pursuant to that Article 88 – Obligation to comply with Article 5, Article 6** (case-law) — https://overview.legal/posts/132156
- **Judgment of the Court (Third Chamber) of 28 November 2024.#Nemzeti Adatvédelmi és Információszabadság Hatóság v UC.#Request for a preliminary ruling from the Kúria.#Reference for a preliminary ruling – Protection of natural persons with regard to the processing of personal data and the free movement of such data – Regulation (EU) 2016/679 – Data processed when drawing up a COVID-19 certificate – Data not collected from the data subject – Information to be provided – Exception to the obligation t** (case-law) — https://overview.legal/posts/132158
- **Meta Platforms and Others v Bundeskartellamt** (case-law) — https://overview.legal/posts/51482
- **Judgment of the Court (Grand Chamber) of 15 June 2021.#Facebook Ireland Ltd and Others v Gegevensbeschermingsautoriteit.#Request for a preliminary ruling from the Hof van beroep te Brussel.#Reference for a preliminary ruling – Protection of natural persons with regard to the processing of personal data – Charter of Fundamental Rights of the European Union – Articles 7, 8 and 47 – Regulation (EU) 2016/679 – Cross-border processing of personal data – ‘One-stop shop’ mechanism – Sincere and effecti** ¶77 (case-law, Court of Justice of the European Union) — https://overview.legal/posts/132323

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Generated by overview.legal · https://overview.legal/laws/gdpr/art-55#par-1 · 2026-08-22