_Regulation · Safety standard_ # UNECE R156: Software Update and Software Update Management System (SUMS) Regulation Canonical ID: `e33d9e5d-878f-4ba7-8f71-f45f45587f89` - **Jurisdiction:** [Global](/locations/global.md) (id: `6753d6b9-d63f-41f8-b672-4d80bdb4dd82`) - **Kind:** `safety_standard` - **Status (derived):** in_effect - **Effective:** 2021-01-01 UNECE Regulation No. 156 requires vehicle manufacturers to implement a Software Update Management System (SUMS) for type approval. Covers OTA software updates for connected and autonomous vehicles, including cybersecurity, integrity, and rollback requirements. Adopted alongside R155 by 64 countries. ## Sources (1) 1. https://unece.org/transport/documents/2021/03/standards/regulation-no-156-software-update-and-software-update-management · 2021-01-01 ## Status history - **in_effect** · 2021-01-01 · agent-recon - Initial ingestion ## Common questions ### What does UNECE R156: Software Update and Software Update Management System (SUMS) Regulation cover? UNECE Regulation No. 156 requires vehicle manufacturers to implement a Software Update Management System (SUMS) for type approval. Covers OTA software updates for connected and autonomous vehicles, including cybersecurity, integrity, and rollback requirements. Adopted alongside R155 by 64 countries. ### Where does UNECE R156: Software Update and Software Update Management System (SUMS) Regulation apply? UNECE R156: Software Update and Software Update Management System (SUMS) Regulation is recorded as a safety_standard applying in Global on the DEPLOY registry. ### When did UNECE R156: Software Update and Software Update Management System (SUMS) Regulation take effect? UNECE R156: Software Update and Software Update Management System (SUMS) Regulation is recorded as effective January 1, 2021 on the DEPLOY registry. ### Is UNECE R156: Software Update and Software Update Management System (SUMS) Regulation still in effect? UNECE R156: Software Update and Software Update Management System (SUMS) Regulation is currently in effect and applies to covered operators in the named jurisdiction. ### What types of robots does UNECE R156: Software Update and Software Update Management System (SUMS) Regulation apply to? UNECE R156: Software Update and Software Update Management System (SUMS) Regulation is recorded as applying to autonomous vehicles, truck on the DEPLOY registry. ### Which robot models on the DEPLOY registry fall under UNECE R156: Software Update and Software Update Management System (SUMS) Regulation? 8 robot models on the DEPLOY registry match the form-factor scope of UNECE R156: Software Update and Software Update Management System (SUMS) Regulation: 789D AHS, 930E AHS, ARC (Autonomous Relay Convoy), Apollo RT6 and 4 others. Form-factor scope match does not by itself establish compliance status; review the underlying primary sources for each operator. _API: GET /v1/regulations/e33d9e5d-878f-4ba7-8f71-f45f45587f89 · sources: /v1/regulations/e33d9e5d-878f-4ba7-8f71-f45f45587f89/sources · status: /v1/regulations/e33d9e5d-878f-4ba7-8f71-f45f45587f89/status · canonical URL: /regulations/unece-r156-software-update-regulation_