UN R9 Three-Wheeled Cycle Noise Last updated: February 2024	UNR	9
UN R28 Audible Warning Devices Last updated: April 2024	UNR	28
UN R30 Pneumatic Tires Last updated: January 2024	UNR	30
UN R41 Motorcycle Noise Last updated: April 2024	UNR	41
UN R51 Vehicle Noise Last updated: April 2024	UNR	51
UN R54 CV Tires Last updated: January 2024	UNR	54
UN R63 Moped Noise Last updated: February 2024	UNR	63
UN R64 Spare Tires Last updated: February 2024	UNR	64
UN R75 Motorcycle Tires Last updated: January 2024	UNR	75
UN R88 Moped Retro-reflective Tires Last updated: September 2016	UNR	88
UN R92 Motorcycle RESS Last updated: January 2024	UNR	92
UN R106 Agricultural Tires Last updated: December 2023	UNR	106
UN R108 Retreaded Tires Last updated: February 2024	UNR	108
UN R109 CV Retreaded Tires Last updated: February 2024	UNR	109
UN R117 Tire Noise, Wet Adhesion, and Rolling Resistance Last updated: April 2024	UNR	117
UN R138 Quiet Road Transport Vehicles Last updated: March 2024	UNR	138
UN R141 Tyre Pressure Monitoring Systems Last updated: February 2024	UNR	141
UN R142 Tyre Installation Last updated: February 2024	UNR	142
UN R164 Studded Tyres Last updated: January 2024	UNR	164
UN R165 Reversing Warning Last updated: February 2024	UNR	165