This Regulation is supported by an interpretation document:
Informal document endorsed in November 2020: WP.29-182-06
Formal documents adopted by WP.29:
ECE/TRANS/WP.29/2021/60
ECE/TRANS/WP.29/2025/45
Proposal for Interpretation Documents for UN Regulation No. 156 on software update and software update management system
Reference Number: WP.29/2021/60
The purpose of this document is to help clarify the requirements of paragraph 7 and Annex 1 of the UN Regulation on uniform provisions concerning the approval of vehicles with regards to software update and software updates management system (ECE/TRANS/WP.29/2020/80) and provide information on what may be used to evidence those requirements.
UN R156: Proposal for amendments to the Interpretation Document
Reference Number: WP.29/2025/45
Proposal to introduce a mapping of requirements and references to ISO 24089:2023 (“Road vehicles – Software update engineering”) where such referencing may aid the understanding and/or implementation of UN Regulation No. 156 requirements.