01 series of amendments is under consideration based on the following proposals:
GRBP/2026/10   UN R172: Proposal for a 01 series of amendments
GRBP-83-15/Rev.1   UN R172: Proposal to amend document GRBP/2026/10 (condensed version)
GRBP-83-16/Rev.1   UN R172: Proposal to amend document GRBP/2026/10 (Extended version)