Comments on the proposed series of amendments to clarify a variety of requirements, notably concerning test surface requirements, ABS cycling, and peak braking coefficient measurements in UN R78.
20. The expert from IMMA introduced ECE/TRANS/WP.29/GRRF/2013/32, as amended by GRRF-75-31. The proposal received some comments. The expert from India presented GRRF-75-27 and confirmed that IMMA took their comments into account in GRRF-75-31. GRRF agreed to revisit this subject at its next session on the basis of a revised document, which the expert from IMMA volunteered to prepare.