Proposal from the TPMSTI task force to align UN Regulation No. 141 with the transitional provisions of European Union (EU) Regulation 2019/2144.

Proposal from the TPMSTI task force to introduce in UN Regulation No. 141 an alternative procedure for type approval of trailers (vehicles of categories O3 and O4) regarding their Tyre Pressure Monitoring System (TPMS), Tyre Pressure Refilling System (TPRS) and Central Tyre Inflation System (CTIS).

TF TPMSTI implements the requirements for a Tyre Pressure Refill System (TPRS) and a Central Tyre Inflation System (CTIS)

Proposal from the TPMSTI task force to update draft provisions for performance testing of Tyre Pressure Monitoring System/Tyre Pressure Refill System/Central Tyre Inflation System and for an alternative procedure for type approval of subject trailer(s).

Revision of document WP.29/2021/10/Rev.1 per the outcomes of the 18th TPMSTI task force session.

Draft proposal under the TMPSTI task force to apply the same tell-tale requirements for tyre pressure refill systems (TPRS) and central tyre inflation systems (CTIS) as already in place for tyre pressure monitoring systems (TPMS).

Cleaned up version of document TPMSTI-18-02/Rev.3.

Proposal concerning requirements for Tyre Pressure Refill Systems (TPRS) and Central Tyre Inflation Systems (CTIS).