Proposal to amend the table of contents, modify para. 3.42. to clarify specific voltage condition definitions, amend paras. 5.4.12. to 5.4.12.2. and 7.3.12. to 7.3.12.2. to establish thermal propagation requirements with two compliance options (test approach or risk management approach), insert new paras. 5.4.12.3. to 5.4.12.3.2.4. and 7.3.12.3. to 7.3.12.3.2.4. detailing thermal propagation compliance options, insert new paras. 6.2.12. to 6.2.12.6. and 8.2.11. to 8.2.11.6. specifying thermal propagation test procedures, and insert Annex 3 with five appendices describing thermal runaway initiation methods.