40. The expert from OICA presented ECE/TRANS/WP.29/GRSG/2013/8 proposing to introduce the concept of “revision of approvals” into some UN Regulations under the responsibility of GRSG, especially UN Regulations Nos. 18, 34, 35, 43 and 58. GRSG adopted the document, not amended, and requested the secretariat to submit the amendments to WP.29 and AC.1, as part of upcoming amendments to the corresponding UN Regulations. In this respect, the document will be kept on the agenda of GRSG, pending the submission of the adopted text to WP.29 and AC.1.