21 Apr 2020 UN R141: Comments for the 3rd TPMSTI informal group session (Japan) TPMSTI-03-03 2020-04-21 Japan
27 May 2020 UN R141: Input for the 4th TPMSTI task force session (Japan) TPMSTI-04-05 2020-05-27 Japan
8 Jun 2020 UN R141: Final proposal for amendments (Japan) TPMSTI-05-03 2020-06-08 Japan
8 Jun 2020 UN R141: Revised proposal for amendments (CLEPA, EC, and Japan) TPMSTI-05-06 2020-06-08 CLEPA EC Japan
15 Jun 2020 UN R141: Withdrawal of Japan proposals (Japan) TPMSTI-06-05 2020-06-15 Withdrawal of proposals submitted to the 5th task force session concerning low pressure tell-tale illumination and for extension of the scope to M2, M3, N2, N3, O3 and O4 category vehicles. Japan
11 Nov 2020 UN R141: Comments on the draft amendments to TPMS requirements (Japan) TPMSTI-09-02 2020-11-11 Japan
13 Nov 2020 UN R141: Comments on connecting a trailer without TMPS (Japan) TPMSTI-10-03 2020-11-13 Japan
19 May 2021 Comments on draft provisions for tyre pressure refilling (TPRS) and central tyre inflation systems (CTIS) (Japan) TPMSTI-14-02 2021-05-19 Japan
29 Sep 2020 Comments on TPMS Communications Interface (Japan) TPMSTI-CI-02-02 2020-09-29 Japan