29 Nov 2020 UN R51: Effects of Tyre Temperature/Aging on noise measurements (ETRTO) TFMU-07-02 2020-11-29
2 Dec 2020 UN R51: Draft proposal regarding ambient conditions (OICA) TFMU-07-03/Rev.2 2020-12-02
2 Dec 2020 UN R51: Vehicle selection and preparation for testing provisions (OICA) TFMU-07-04 2020-12-02
19 Feb 2021 UN R51: Vehicle selection and preparation for testing under the 03 series of amendments TFMU-07-04/Rev.1 2021-02-19
3 Dec 2020 UN R51: Drive-by noise test: Measurement Uncertainty Application to Vehicle Categories M3/N3 status report (OICA) TFMU-07-05/Rev.1 2020-12-03