Proposal to amend para. 6.3.1. to clarify use stage system boundaries, revise para. 6.3.2.1. regarding service life methodology and regional adaptation, delete and rewrite para. 6.3.3. on use stage consumption to introduce level concepts for certification values and restructure discrepancy and deterioration factor determination, reserve sections on vehicles with dual-mode powertrains and fuel cell and OVC-HEV deterioration calculations pending further development, amend para. 6.3.3.2.2.2. addressing OVC-HEV battery degradation (reserved), add para. 6.3.6.7. on swappable parts (reserved), and update Table 14 to include parts and/or components defined by vehicle manufacturer as mandatory for Level 3/Level 4 assessments, supported by GRPE/2026/2.