56. Upon the request of the World Forum and the IWG on IWVTA, GRSG considered the general guidelines for UN regulatory procedures and transitional provisions in UN Regulations (ECE/TRANS/WP.29/2017/107, Add.1 and Corr.1). GRSG endorsed the guideline documents and recommended the IWG on IWVTA to consider further amendments as reflected in GRSG-113-40.