This part specifies requirements for the submission of standardized emergency response guides (ERGs) and rescue sheets for electric-powered vehicles. It also specifies requirements for other documentation, to be submitted to NHTSA upon request, addressing low temperature operation safety, warning in the event of malfunction of vehicle controls managing Rechargeable Electrical Energy Storage System (REESS) operations, warning in the case of a thermal event in the REESS, and safety risk mitigation for thermal runaway and propagation.