UN Regulation No. 155 — Cyber security and CSMS — Supplement 3 (2025)

Legal state as of: Not recorded
Last source check: 2026-09-08
Verification scope: 13 selected definitions checked in full EN/SK OJ text: 2.1, 2.2, 2.3, 2.4, 2.5, 2.6, 2.7, 2.8, 2.9, 2.10, 2.11, 2.12, 2.13. Version and entry into force checked separately. Subsequent amendment content is not consolidated.

Record provenance: Editorially selected source added to this website.
Organisation: UNECE
Jurisdiction: International
Publication date: 2025-01-10
Legal status: Supplement 3 to original version; entry into force verified
Effective from: 2025-01-10
Summary: Text incorporating Supplement 3 to the original regulation; entry into force on 10 January 2025 is confirmed by C.N.63.2025. The original 2021 version remains separately available. Quotation from the identified Official Journal publication, checked in the full English and Slovak texts. Only the original UNECE texts have legal effect under international public law. This is not an assessment of applicability to a particular vehicle.
Význam: Defines cybersecurity, CSMS, risk and lifecycle terminology; paragraph 1.1 covers L, M, N and O vehicles fitted with at least one electronic control unit.
Citation: UN Regulation No. 155, Cyber security and CSMS; OJ publication 42025X0005, 2025-01-10; selected paragraphs 2.1, 2.2, 2.3, 2.4, 2.5, 2.6, 2.7, 2.8, 2.9, 2.10, 2.11, 2.12, 2.13.
ROAT editorial check: 2026-09-08
Official source: https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX:42025X0005

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UN Regulation No. 155 — Cyber security and CSMS — Supplement 3 (2025)

English glossary

UN Regulation No. 155 — Cyber security and CSMS — Supplement 3 (2025)