Proposal to add a missing footnote concerning the exemptions for heaters located outside the passenger compartment using water as a transfer medium and to clarify that it is not necessary to apply Annex 4 for the heat pump because the heat transfer fluid does not contain polluting air.

57. The expert from CLEPA presented ECE/TRANS/WP.29/GRSG/2019/29 proposing the removal of Annex 4 tests for heat pumps.

58. GRSG adopted ECE/TRANS/WP.29/GRSG/2019/29 and requested the secretariat to submit it to WP.29 and AC.1 as draft supplement 06 to UN Regulation No. 122 for consideration at their March 2020 sessions.