30. The expert from the Netherlands, on behalf of the ad hoc group on Child Restraint Systems (CRS) introduced GRSP-72-28, aimed at explaining the current situation concerning inconsistency of requirements on lower tether anchorages and for the use of a support leg for other situations than i-Size seating positions in UN Regulations Nos. 129 and 145. GRSP referred discussion to agenda item 24 (g) on priorities identified by GRSP-72-28 (see paragraph 60 below).