58. The expert from OICA introduced ECE/TRANS/WP.29/GRRF/2016/4 proposing to remove the TPMS requirements from Regulation No. 64 as suggested by the IWG on IWVTA. He presented ECE/TRANS/WP.29/GRRF/2016/5 proposing a new Regulation on TPMS. Following discussion, GRRF agreed on the proposals as amended and reproduced in GRRF-81-21 and GRRF-81-22.

59. The expert from EC proposed amendments (GRRF-81-17) to ECE/TRANS/WP.29/GRRF/2016/5 clarifying that the manufacturer has the obligation to design a TPMS system which shall detect underinflation under a wide range of driving conditions and not only in the conditions of the test procedures in Annex 3 of the Regulation. GRRF adopted with the proposal as amended (GRRF-81-17-Rev.1). GRRF noted that the agreed proposal would not modify the test procedures as described in Annex 3 of the Regulation. The expert from the Russian Federation and some type-approval authorities raised a question about general provisions in UN Regulations for which no procedure was defined to verify the compliance with these general provisions for manufacturers. GRRF suggested that WP.29 could have a general discussion on the compliance off the test procedures and could provide guidance to the WP.29 subsidiary bodies.

61. GRRF adopted ECE/TRANS/WP.29/GRRF/2016/5 as amended by Annex XI of the report and requested the secretariat to submit it to WP.29 and AC.1 for consideration at their June 2016 sessions.

61. The recalled the purpose of ECE/TRANS/WP.29/GRRF/2015/12 as amended by GRRF-79-09 and ECE/TRANS/WP.29/GRRF/2015/13 as amended by GRRF-79-10 proposing a separate Regulation dedicated to Tyre Pressure Monitoring System (TPMS) and removing from Regulation No. 64 the provisions related to TPMS. No document was submitted before the start of the session. The expert from OICA submitted at the end of the session GRRF-80-34 and GRRF-80-35 for review and comments by the experts of GRRF in view of the submission of an official document for the February 2016 session of GRRF.

46. The expert from OICA introduced ECE/TRANS/WP.29/GRRF/2015/12 as amended by GRRF-79-09 and ECE/TRANS/WP.29/GRRF/2015/13 as amended by GRRF-79-10 proposing a separate Regulation dedicated to Tyre Pressure Monitoring System (TPMS) and removing the provisions related to TPMS of Regulation No. 64. The expert from the Russian Federation presented GRRF-79-20-Rev.1 containing an alternative proposal for the drafted transitional provisions in GRRF-79-09. GRRF agreed to revisit this item at its September 2015 session on the basis of a revised proposal.

52. The expert from OICA introduced GRRF-78-39 proposing a separate UN Regulation dedicated to Tyre Pressure Monitoring System (TPMS). He presented GRRF-78-48 proposing the corresponding amendments to Regulation No. 64, removing the provisions related to TPMS. He also presented GRRF-78-38, the corresponding consolidated version (based on UN Regulation No. 64 without the TPMS provisions). GRRF agreed to split UN Regulation No. 64 in two parts and to keep both proposals (GRRF-78-38 and GRRF‑78‑39) on the agenda of the seventy-ninth GRRF session.