20 May 2022 Agenda for the first Revision of UN R138.01 task force (TF-QRTV) TFQRTV-01-01/Rev.1	TFQRTV-01-01/Rev.1	2022-05-20
5 July 2022 Draft guidelines for the task force on the Revision of UN R138.01 TFQRTV-01-03/Rev.1	TFQRTV-01-03/Rev.1	2022-07-05
Attendance list from the first task force on Revision of UN R138.01 session (TFQRTV-01-02 not available)	TFQRTV-01-02	2022-05-25
1 June 2022 Agenda for the 2nd UN R138.01 task force session TFQRTV-02-01	TFQRTV-02-01	2022-06-01
16 August 2022 ISO 16254: Evaluation of Sound Environment Uncertainty (ISO) TFQRTV-02-04	TFQRTV-02-04	2022-08-16
25 August 2022 Minutes from the 2nd UN R138 01 series task force session TFQRTV-02-02	TFQRTV-02-02	2022-08-25
(not available)	TFQRTV-02-03	2022-08-25
8 September 2022 Agenda for the 3rd Task Force on Revision of UN R138.01 TFQRTV-03-01	TFQRTV-03-01	2022-09-08
12 September 2022 ISO 16254 status report (Measurement of sound emitted by road vehicles) (ISO) TFQRTV-03-03	TFQRTV-03-03	2022-09-12
12 September 2022 Draft ISO DIS 16254-September 2022 (ISO) TFQRTV-03-04	TFQRTV-03-04	2022-09-12
26 September 2022 Agenda for the 4th Task Force on Revision of UN R138.01 session TFQRTV-04-01	TFQRTV-04-01	2022-09-26
23 September 2022 UN R138: Consolidated working draft for 01 series revisions TFQRTV-03-06	TFQRTV-03-06	2022-09-23
(not available)	TFQRTV-03-02	2022-09-26
26 September 2022 UN R138.01 task force: Minutes from the 3rd session TFQRTV-03-05	TFQRTV-03-05	2022-09-26
7 November 2022 QRTV: Uncertainty Effects: ISO/DIS 16254 5-microphone results (ISO) TFQRTV-04-03	TFQRTV-04-03	2022-11-07
7 November 2022 ISO 16254 sound measurement uncertainties table TFQRTV-04-04	TFQRTV-04-04	2022-11-07
29 November 2022 Minutes from the 4th QRTV and UN R138 amendment task force session TFQRTV-04-05	TFQRTV-04-05	2022-11-29