UN R155 R156 anchors

Stefan Coetzeecreated 2026-05-12updated 2026-05-121 min readanchors
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UN R155 / R156 Anchors

Primary documents

  • UN Regulation No. 155 — Cyber Security and Cyber Security Management System.
  • UN Regulation No. 156 — Software Update and Software Update Management System.
  • Interpretation Document for UN Regulation No. 155 — supports R155 implementation.

Available via UNECE website (free).

Operating body

  • UNECE WP.29 — World Forum for Harmonization of Vehicle Regulations.
  • GRVA (Working Party on Automated/Autonomous and Connected Vehicles) — R155/R156 development.

Type approval authorities

  • DE KBA (Kraftfahrt-Bundesamt) — Federal Motor Transport Authority.
  • NL RDW — Netherlands.
  • FR UTAC OTC — France.
  • UK VCA.
  • Others per UNECE contracting party.

Adjacent standards

  • ISO/SAE 21434 — supporting cybersecurity engineering standard for R155.
  • ISO 24089 — supporting software update engineering standard for R156.
  • ASPICE — automotive software process.
  • TISAX — supplier organization-side InfoSec.
  • ISO 26262 — functional safety.

Industry resources

  • Auto-ISAC — Automotive Information Sharing and Analysis Center.

Reference resources

  • unece.org/transport/vehicle-regulations — UNECE vehicle regs portal.

See also