42. The expert from the Task Force on Automated Vehicles Regulation Screening (TF AVRS) briefed GRBP on their activities (GRBP-80-16) and introduced their revised guidelines (GRBP-80-17) which GRBP adopted. The expert also briefly presented draft amendment proposals to UN Regulations Nos. 28 and 138 to make their requirements fit to automated vehicles (GRBP-80-18 and GRBP-80-19). GRBP noted the progress of TF AVRS would depend on a set of definitions that should be developed by GRVA and its subgroups.