E/ECE/324/Rev.2/Add.137/Rev.1/Amend.1−E/ECE/TRANS/505/Rev.2/Add.137/Rev.1/Amend .1Agreement Concerning the Adoption of Harmonized Technical United Nations Regulations for Wheeled Vehicles • January 29th, 2020Contract TypeAgreement Concerning the Adoption of Harmonized Technical United Nations Regulations for Wheeled VehiclesFiledJanuary 29th, 2020