6. GRPE adopted ECE/TRANS/WP.29/GRPE/2013/13, as amended by GRPE-67-04- Rev.1, and requested the secretariat to submit the adopted proposal to WP.29 and AC.3 for consideration at their March 2014 session. GRPE also adopted GRPE-67-05-Rev.3, as reproduced in Annex II of the session report, including explicit references to GRPE-68-03 and GRPE-68-04 in paragraphs 51 and 73, respectively. The Chair of GRPE expressed his appreciation for the contribution of all experts that took part in the WLTP UN GTR development.