At the time of writing, no document had been submitted under this agenda item.

Note: During its 77th session, GRSP adopted in principle amendments to delete the Unique Identifier (UI) descriptions from several UN Regulations and agreed to wait to convert them into working documents until other amendments to the concerned UN Regulations were needed. At the time of writing, those still pending are UN Regulation Nos. 22 (informal documents GRSP-77-06 and GRSP-77-07), 44 (informal document GRSP-77-08) and 129 (informal documents GRSP-77-09, GRSP-77-10 and GRSP-77-11).