Proposal to amend para. 1.4. to clarify requirements for recording data elements when sensors or systems are not operational or cannot meet specified format requirements, amend para. 2.20. to redefine engine throttle as driver-requested acceleration torque demand, amend para. 2.73. to define trigger activated, amend para. 5.4.3. to clarify crash test data element requirements and specify impact severity levels by reference to UN Regulations Nos. 94, 95, and 137, insert new paras. 12.12.-12.17. containing transitional provisions with applicability dates from entry into force through 1 September 2035, and amend Table 1 in Annex 4 to modify data element recording intervals, sample rates, ranges, accuracy, and resolution specifications, add new data elements including vulnerable road user secondary safety system warning indicator status, corrective steering function status, emergency steering function status, automatically commanded steering function category status, accident emergency call system status, advanced driver distraction warning, driver control assistance system driver monitoring system warning data, driver drowsiness and attention warning, and time to collision, and clarify footnote references.