# Competence of the lead supervisory authority 56(6) — GDPR — provision context

> Focused context for a single provision (56(6)), curated from overview.legal on 2026-08-22. Canonical: https://overview.legal/laws/gdpr/art-56#par-6
> Verify against the official text (EUR-Lex / wetten.overheid.nl) before relying on it.

Part of **Competence of the lead supervisory authority** (GDPR, full article: https://overview.legal/laws/gdpr/art-56).

## Provision text

### 56(6)

The lead supervisory authority shall be the sole interlocutor of the controller or processor for the cross-border processing carried out by that controller or processor.


## Topics on this provision

- **Processors** — https://overview.legal/topics/processors
  Entities that process data on behalf of controllers
- **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
- **Controllers** — https://overview.legal/topics/controllers
  Entities that determine purposes and means of processing

## Cited by (exact-provision citations)

- **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 (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 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** ¶85 (case-law, Court of Justice of the European Union) — https://overview.legal/posts/132126
- **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** ¶99 (case-law, Court of Justice of the European Union) — https://overview.legal/posts/132126
- **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** ¶63 (case-law, Court of Justice of the European Union) — https://overview.legal/posts/132323
- **Guidelines 06/2022 on the practical implementation of amicable settlements** (guidance) — https://overview.legal/posts/38072
- **Guidelines 03/2021 on the application of Article 65(1)(a) GDPR** (guidance) — https://overview.legal/posts/38137
- **Guidelines 02/2022 on the application of Article 60 GDPR** (guidance) — https://overview.legal/posts/38066
- **Guidelines 9/2022 on personal data breach notification under GDPR** (guidance) — https://overview.legal/posts/38058
- **Opinion 04/2024 on the notion of main establishment of a controller in the Union under Art. 4.16(a) GDPR** (guidance) — https://overview.legal/posts/125773
- **Guidelines 06/2022 on the practical implementation of amicable settlements** §25 (guidance, EDPB) — https://overview.legal/posts/38072
- **Guidelines 06/2022 on the practical implementation of amicable settlements** §53 (guidance, EDPB) — https://overview.legal/posts/38072

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Generated by overview.legal · https://overview.legal/laws/gdpr/art-56#par-6 · 2026-08-22