# Notification of a personal data breach to the supervisory authority 33(3) — GDPR — provision context

> Focused context for a single provision (33(3)), curated from overview.legal on 2026-08-22. Canonical: https://overview.legal/laws/gdpr/art-33#par-3
> Verify against the official text (EUR-Lex / wetten.overheid.nl) before relying on it.

Part of **Notification of a personal data breach to the supervisory authority** (GDPR, full article: https://overview.legal/laws/gdpr/art-33).

## Provision text

### 33(3)

The notification referred to in paragraph 1 shall at least:

a) describe the nature of the personal data breach including where possible, the categories and approximate number of data subjects concerned and the categories and approximate number of personal data records concerned;
b) communicate the name and contact details of the data protection officer or other contact point where more information can be obtained;
c) describe the likely consequences of the personal data breach;
d) describe the measures taken or proposed to be taken by the controller to address the personal data breach, including, where appropriate, measures to mitigate its possible adverse effects.

## Cited by (exact-provision citations)

- **Judgment of the General Court (First Chamber, Extended Composition) of 10 September 2025.#Tiktok Technology Ltd v European Commission.#Digital services – Regulation (EU) 2022/2065 – Commission decision determining the amount of the supervisory fee for 2023 – Article 43(3) to (5) of Regulation 2022/2065 – Article 4(2) of Delegated Regulation (EU) 2023/1127 – Method for calculating the number of average monthly active recipients – Temporal adjustment of the effects of an annulment.#Case T-58/24.** (case-law) — https://overview.legal/posts/132134
- **Judgment of the General Court (First Chamber, Extended Composition) of 10 September 2025.#Meta Platforms Ireland Ltd v European Commission.#Digital services – Regulation (EU) 2022/2065 – Commission decision determining the amount of the supervisory fee for 2023 – Article 43(3) to (5) of Regulation 2022/2065 – Article 4(2) of Delegated Regulation (EU) 2023/1127 – Method for calculating the number of average monthly active recipients – Temporal adjustment of the effects of an annulment.#Case T-55/** (case-law) — https://overview.legal/posts/132133
- **Judgment of the General Court (Seventh Chamber, Extended Composition) of 3 September 2025.#Zalando SE v European Commission.#Digital services – Regulation (EU) 2022/2065 – Designation of a very large online platform – Plea of illegality – Article 33(1) and (4) of Regulation 2022/2065 – Legal certainty – Equal treatment – Proportionality – Obligation to state reasons.#Case T-348/23.** (case-law) — https://overview.legal/posts/132138
- **Judgment of the Court (First Chamber) of 26 September 2024.#TR v Land Hessen.#Request for a preliminary ruling from the Verwaltungsgericht Wiesbaden.#Reference for a preliminary ruling – Protection of natural persons with regard to the processing of personal data – Regulation (EU) 2016/679 – Article 57(1)(a) and (f) – Tasks of the supervisory authority – Article 58(2) – Corrective powers – Administrative fine – Discretion of the supervisory authority – Limits.#Case C-768/21.** (case-law) — https://overview.legal/posts/132245
- **Judgment of the Court (First Chamber) of 26 September 2024.#TR v Land Hessen.#Request for a preliminary ruling from the Verwaltungsgericht Wiesbaden.#Reference for a preliminary ruling – Protection of natural persons with regard to the processing of personal data – Regulation (EU) 2016/679 – Article 57(1)(a) and (f) – Tasks of the supervisory authority – Article 58(2) – Corrective powers – Administrative fine – Discretion of the supervisory authority – Limits.#Case C-768/21.** ¶19 (case-law, Court of Justice of the European Union) — https://overview.legal/posts/132245
- **Judgment of the General Court (Seventh Chamber, Extended Composition) of 3 September 2025.#Zalando SE v European Commission.#Digital services – Regulation (EU) 2022/2065 – Designation of a very large online platform – Plea of illegality – Article 33(1) and (4) of Regulation 2022/2065 – Legal certainty – Equal treatment – Proportionality – Obligation to state reasons.#Case T-348/23.** ¶116 (case-law, General Court) — https://overview.legal/posts/132138
- **Judgment of the General Court (First Chamber, Extended Composition) of 10 September 2025.#Meta Platforms Ireland Ltd v European Commission.#Digital services – Regulation (EU) 2022/2065 – Commission decision determining the amount of the supervisory fee for 2023 – Article 43(3) to (5) of Regulation 2022/2065 – Article 4(2) of Delegated Regulation (EU) 2023/1127 – Method for calculating the number of average monthly active recipients – Temporal adjustment of the effects of an annulment.#Case T-55/** ¶48 (case-law, General Court) — https://overview.legal/posts/132133
- **Judgment of the General Court (Seventh Chamber, Extended Composition) of 3 September 2025.#Zalando SE v European Commission.#Digital services – Regulation (EU) 2022/2065 – Designation of a very large online platform – Plea of illegality – Article 33(1) and (4) of Regulation 2022/2065 – Legal certainty – Equal treatment – Proportionality – Obligation to state reasons.#Case T-348/23.** ¶58 (case-law, General Court) — https://overview.legal/posts/132138
- **Judgment of the General Court (First Chamber, Extended Composition) of 10 September 2025.#Tiktok Technology Ltd v European Commission.#Digital services – Regulation (EU) 2022/2065 – Commission decision determining the amount of the supervisory fee for 2023 – Article 43(3) to (5) of Regulation 2022/2065 – Article 4(2) of Delegated Regulation (EU) 2023/1127 – Method for calculating the number of average monthly active recipients – Temporal adjustment of the effects of an annulment.#Case T-58/24.** ¶22 (case-law, General Court) — https://overview.legal/posts/132134
- **Judgment of the General Court (First Chamber, Extended Composition) of 10 September 2025.#Tiktok Technology Ltd v European Commission.#Digital services – Regulation (EU) 2022/2065 – Commission decision determining the amount of the supervisory fee for 2023 – Article 43(3) to (5) of Regulation 2022/2065 – Article 4(2) of Delegated Regulation (EU) 2023/1127 – Method for calculating the number of average monthly active recipients – Temporal adjustment of the effects of an annulment.#Case T-58/24.** ¶50 (case-law, General Court) — https://overview.legal/posts/132134
- **Judgment of the General Court (First Chamber, Extended Composition) of 10 September 2025.#Tiktok Technology Ltd v European Commission.#Digital services – Regulation (EU) 2022/2065 – Commission decision determining the amount of the supervisory fee for 2023 – Article 43(3) to (5) of Regulation 2022/2065 – Article 4(2) of Delegated Regulation (EU) 2023/1127 – Method for calculating the number of average monthly active recipients – Temporal adjustment of the effects of an annulment.#Case T-58/24.** ¶41 (case-law, General Court) — https://overview.legal/posts/132134
- **Judgment of the General Court (Seventh Chamber, Extended Composition) of 3 September 2025.#Zalando SE v European Commission.#Digital services – Regulation (EU) 2022/2065 – Designation of a very large online platform – Plea of illegality – Article 33(1) and (4) of Regulation 2022/2065 – Legal certainty – Equal treatment – Proportionality – Obligation to state reasons.#Case T-348/23.** ¶112 (case-law, General Court) — https://overview.legal/posts/132138

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Generated by overview.legal · https://overview.legal/laws/gdpr/art-33#par-3 · 2026-08-22