Draft Terms of Reference for an Ad-hoc Special Interest Group on model regulation regarding the safety of electric vehicles with a focus on thermal propagation requirements. The purpose is to set up a special interest group (SIG TP) that will deliver a draft regulatory text proposal for a model regulation regarding the safety of electric vehicles with a focus on a thermal propagation test method. This proposal is intended to serve as the basis of relevant UN and national regulations with widely harmonized technical provisions and will be used for a proposal of a new series of amendments to UN Regulation No.100.