--- title: "Article 34 — Interoperability for the purposes of in-parallel use of data processing services" type: regulation legal_status: in_force source: "https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX:32023R2854" source_retrieved: 2026-10-03 shortTitle: "Article 34 — Interoperability for the purposes of in-parallel use of data processing services" instrument_type: level1_regulation authority: Commission binding: true binding_character: binding mica_level2: false legal_basis: "Regulation (EU) 2023/2854" instrument: dataact celex: "32023R2854" regulation: Data Act regulation-full: "Regulation (EU) 2023/2854" article: 34 status: in_force object_id: eu.dataact.legal_text.article.34 text_version: "Regulation (EU) 2023/2854, OJ L, 2023/2854, 22.12.2023" source_url: "https://eur-lex.europa.eu/eli/reg/2023/2854/oj/eng" check_status: matched verified: true last_checked: 2026-10-26 --- *In force · Regulation (EU) 2023/2854, OJ L, 2023/2854, 22.12.2023 · Checked against EUR-Lex on 26 Oct 2026 · [Official source](https://eur-lex.europa.eu/eli/reg/2023/2854/oj/eng)* 1. The requirements laid down in [Article 23](23.md), [Article 24](24.md), [Article 25(2)](25.md), points (a)(ii), (a)(iv), (e) and (f) and [Article 30(2)](30.md) to (5) shall also apply mutatis mutandis to providers of data [processing](https://www.headlesslaw.com/definitions/data-act/processing) services to facilitate [interoperability](https://www.headlesslaw.com/definitions/data-act/interoperability) for the purposes of in-parallel use of data processing services. 2. Where a [data processing service](https://www.headlesslaw.com/definitions/data-act/data-processing-service) is being used in parallel with another data processing service, the providers of data processing services may impose [data egress charges](https://www.headlesslaw.com/definitions/data-act/data-egress-charges), but only for the purpose of passing on egress costs incurred, without exceeding such costs. *** [Chapter VIII — Interoperability](../chapters/viii.md) · [← Article 33](33.md) · [Article 35 →](35.md)