Proposal to amend the Interpretation Document for UN R156. The document clarifies requirements in paragraph 7 and Annex 1 concerning software update and software update management systems to promote uniform assessments and align with the 01 series of amendments. The document provides non-mandatory guidance for demonstrating compliance with UN R156 requirements through documentation, presentation, and audit, with supporting reference to ISO 24089:2023. The proposal addresses processes for software updates after vehicle registration, including assessment of compliance impacts, documentation procedures, security measures, over-the-air update safeguards, and vehicle user notification requirements.