29. The Chair presented a revised document on priorities of the future work (GRBP-70-10). The expert from EC reported on their ongoing study on requirements and test procedures for the tyre pressure monitoring system (TPMS) for vehicle categories M2, M3, N2, N3, O3 and O4 (GRBP-70-14) which might result in preparing amendment proposals to UN Regulation No. 141 on TPMS. GRBP decided to come back to the list of priorities, once the outcome of the study would be known.