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.

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).

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