| Subject | Base Directive | Ammending Directives | Regulation | Subject ID |
| UN ECE IWVTA (R0) | 0 | 21.3 | ||
| GTR 01 Doors & Locks | 1H | 11.3.2 | ||
| GTR 02 WMTC (motorcycle emissions) | 2H | 5.1.6 | ||
| GTR 03 Motorcycle Brakes | 3H | 1.6.1 | ||
| Retro-reflecting devices | 76/757 | 97/29 | 3 | 8.1.3 |
| GTR 04 WHDC (heavy-duty engine exhaust emissions) | 4H | 5.2.2 | ||
| Illumination of rear registration plates | 76/760 | 97/31 | 4 | 8.1.4 |
| GTR 05 WWH-OBD (on board diagnostics) | 5H | 5.6 | ||
| Sealed beam headlamps | 5 | 8.1.5 | ||
| Direction indicators | 76/759 | 89/277 1999/15 | 6 | 8.1.6 |
| GTR 06 Safety Glazing | 6H | 10.4 | ||
| Position, stop and end-outline lamps | 76/758 | 89/516 97/30 | 7 | 8.1.7 |
| GTR 07 Head restraints | 7H | 12.6 | ||
| GTR 08 ESC (electronic stability control systems) | 8H | 1.5 | ||
| Headlamps (H1-H3 HB3 HB4 H7 H8 H9 HIR1 HIR21) | 8 | 8.1.8 | ||
| Noise of three-wheeled vehicles | 97/24 | 2009/108 | 9 | 6.1.2 |
| GTR 09 Pedestrian Safety | 9H | 13.2.6 | ||
| GTR 10 OCE (off cycle emissions) | 10H | 5.8 | ||
| Electromagnetic compatibility (EMC) | 72/245 | 72/245/EEC 89/491 95/54 2004/104 2004/104 2004/104 2005/49 2005/83 2006/28 2009/19 2017/260 2017/260 2017/1574 | 10 | 19.4 |
| GTR 11 NRMM (tractors & non road mobile machinery) | 11H | 5.3.11 | ||
| Door latches and hinges | 70/387 | 98/90 2001/31 2019/1354 | 11 | 11.3.1 |
| Steering mechanism | 74/297 | 91/622 91/662 | 12 | 3.2 |
| GTR 12 Motorcycle ID of controls | 12H | 14.2.6 | ||
| Heavy vehicle braking | 71/320 | 74/132 75/524 79/489 85/647 88/194 91/422 98/12 2002/78 | 13 | 1.1 |
| Brakes of M1 & N1 vehicles | 13H | 1.1.1 | ||
| GTR 13 HFCV (hydrogen fuel cell vehicles) | 13H | 30.2 | ||
| GTR 14 Pole Side Impact | 14H | 11.6 | ||
| Safety-belt anchorages | 76/115 | 81/575 82/318 90/629 96/38 2005/41 | 14 | 12.2.1 |
| Emission of gaseous pollutants | 15 | 5.1.2 | ||
| GTR 15 WLTP | 15H | 5.5 | ||
| GTR 16 - Tyres | 18/2009 | 16H | 2.12 | |
| Safety-belts | 77/541 | 81/576 82/319 90/628 96/36 2000/3 2000/3 2005/40 | 16 | 12.3.1 |
| GTR 17 Motorcycle Crankcase Evaporative Emissions | 17H | 5.3.10 | ||
| Strength of seats, anchorages, head restraints | 74/408 | 81/577 81/577 96/37 2005/39 | 17 | 12.1.1 |
| GTR 18 - Motorcycle On-Board Diagnostic Systems | 18H | 5.1.7 | ||
| Anti-theft of motor vehicles (see R97) | 74/61 | 95/56 | 18 | 14.3.3 |
| GTR19 EVAPorative emission test procedure for WLTP | 19H | 5.9 | ||
| Front fog lamps | 76/762 | 1999/18 | 19 | 8.1.13 |
| Headlamps (H4) | 20 | 8.1.22 | ||
| GTR 20 - Electrical Vehicle Safety (EVS) | 20H | 19.6.2 | ||
| Interior fittings | 74/60 | 78/632 2000/4 | 21 | 14.1.1 |
| GTR21 Determination Electrified Vehicle Power DEVP | 21H | 19.6.3 | ||
| Protective helmets and visors | 22 | 20.2 | ||
| Reversing lamps | 77/539 | 97/32 | 23 | 8.1.15 |
| Visible pollutants, measurement of power of C.I | 72/306 | 89/491 97/20 2005/21 | 24 | 5.2.3 |
| Head restraints (headrests) | 78/932 | 25 | 12.1.5 | |
| External projections of passenger cars | 74/483 | 79/488 2007/15 | 26 | 13.1.1 |
| Advance warning triangles | 27 | 8.3.5 | ||
| Audible warning devices | 70/388 | 28 | 7.1 | |
| Cabs of commercial vehicles | 29 | 11.1.6 | ||
| Tyres for passenger cars & their trailers | 92/23 | 2001/43 2005/11 | 30 | 2.1 |
| Headlamps (HSB) | 76/761 89/517 1999/17 | 31 | 8.1.21 | |
| Rear-end collision | 32 | 11.1.3 | ||
| Head-on collision | 33 | 11.1.1 | ||
| Prevention of fire risks | 2016/1428 | 34 | 15.1 | |
| Foot controls | 35 | 14.2.1 | ||
| General construction of large buses & coaches | 2001/85 | 36 | 18.1.1 | |
| Filament lamps | 37 | 8.1.2 | ||
| Rear fog lamps | 77/538 | 89/518 1999/14 | 38 | 8.1.14 |
| Speedometer | 75/443 | 97/39 | 39 | 14.3.5 |
| Emission of gaseous pollutants by motorcycles | 97/24 | 2002/51 2003/77 2005/30 2006/27 2006/72 2006/120 | 40 | 5.1.3 |
| Noise emissions of motorcycles | 97/24 | 78/1015 87/56 89/235 89/235 2009/108 2023/320 | 41 | 6.1.3 |
| Front and rear protective devices | 42 | 11.2.3 | ||
| Safety Glazing | 92/22 | 2001/92 | 43 | 10.3.1 |
| Child restraint systems (CRS) R44 | 44 | 12.3.3 | ||
| Headlamp cleaners | 45 | 10.3.4 | ||
| Devices for indirect vision | 2003/97 | 71/127 79/795 85/205 86/562 88/321 2005/27 2007/38 | 46 | 10.1.1 |
| Emission of gaseous pollutants by mopeds | 97/24 | 2009/108 | 47 | 5.1.4 |
| Installation of lighting & light-signalling device | 76/756 | 80/233 82/244 83/276 84/8 89/278 91/663 97/28 2007/35 2008/89 | 48 | 8.2.1 |
| Emissions of C.I & P.I LPG/CNG engines | 2005/55 | 64/2012 88/77 91/542 96/1 1999/96 2001/27 2001/27 2005/78 2006/51 2006/81 595/2009 595/2009/C 582/2011 582/2011 136/2014 627/2014 2008/74/EC | 49 | 5.2.1 |
| Position stop direction indicator lamps L-category | 97/24 | 50 | 8.1.17 | |
| Noise of M & N categories of vehicles | 540/2014 | 70/157 73/350 77/212 81/334 84/372 84/424 89/491 92/97 96/20 1999/101 2007/34 2018/798 | 51 | 6.1.1 |
| General construction of small buses & coaches | 2001/85 | 52 | 18.1.3 | |
| Installation of lighting & signalling L3 vehicles | 93/92 | 2000/73 2009/67 | 53 | 8.2.2 |
| Tyres for commercial vehicles & their trailers | 92/23 | 2001/43 | 54 | 2.2 |
| Mechanical couplings | 94/20 | 2018/862 | 55 | 4.1 |
| Headlamps (mopeds) | 97/24 | 56 | 8.1.12 | |
| Headlamps (motorcycles) | 97/24 | 57 | 8.1.11 | |
| Rear underrun protective devices (RUPDs) | 70/221 | 79/490 81/333 97/19 2000/8 2000/8 2006/20 2019/272 | 58 | 13.2.4 |
| Replacement silencing systems | D/140/2015 | 59 | 6.2.5 | |
| Driver operated controls (mopeds/motorcycles) | 93/29 | 2000/74 2009/80 | 60 | 14.2.2 |
| External projections of commercial vehicles | 92/114 | 97/836 2009/433 | 61 | 13.1.2 |
| Anti-theft (mopeds/motorcycles) | 93/33 | 1999/23 | 62 | 14.3.4 |
| Noise emissions of mopeds | 78/1015 | 87/56 89/235 97/24 | 63 | 6.1.5 |
| Temporary Spare Wheel, Run Flat (see also TPMS R141) | 92/23 | 64 | 2.3 | |
| Special warning lamps | 65 | 8.3.2 | ||
| Strength of superstructure (buses) | 66 | 18.1.5 | ||
| LPG vehicles | 67 | 20.6 | ||
| Measurement of maximum speed inc electric | 68 | 20.3 | ||
| Rear-marking plates for slow moving vehicles | 69 | 8.3.3 | ||
| Rear-marking plates for heavy and long vehicles | 70 | 8.3.4 | ||
| Drivers field of vision (agricultural tractors) | 74/347 | 79/1073 | 71 | 10.2.2 |
| Headlamps (HS1) motorcycles | 97/24 | 72 | 8.1.18 | |
| Lateral protection devices | 89/297 | 73 | 13.2.3 | |
| Installation of lighting & signalling (mopeds) | 93/92 | 93-92-cor 2000/73 2009/67 | 74 | 8.2.3 |
| Tyres for motorcycles/mopeds | 97/24 | 75 | 2.5 | |
| Headlamps for mopeds | 76 | 8.1.23 | ||
| Parking lamps | 77/540 | 1999/16 | 77 | 8.1.16 |
| Braking (category L vehicles) | 93/14 | 2006/27 2006/27 | 78 | 1.6 |
| Steering equipment | 70/311 | 92/62 1999/7 | 79 | 3.1 |
| Strength of seats and their anchorages (buses) | 80 | 18.2.1 | ||
| Rear view mirrors (motorcycles/mopeds) | 80/780 | 80/1272 97/24 | 81 | 10.1.2 |
| Headlamps (HS2) (moped) | 82 | 8.1.24 | ||
| Emissions of M1 & N1 vehicles | 715/2007 | Cor 692 cor 1154 70/220 74/290 77/102 78/665 83/351 88/76 88/436 89/458 89/491 91/441 93/59 94/12 96/44 96/69 98/69 98/77 1999/102 2001/1 2001/100 2002/80 2003/76 692/2008 692/2008 566/2011 459/2012 630/2012 143/2013 171/2013 195/2013 2016/427 2016/646 715/2016 2017/948 2017/1151 2017/1151 2017/1154 2017/1221 2017/1221 2017/1347 2018/858 | 83 | 5.1.1 |
| Measurement of fuel consumption | 2019/99 | 84 | 5.3.3 | |
| Measurement of the net power | 80/1269 | 88/195 89/491 97/21 1999/99 595/2009 595/2009 | 85 | 20.5 |
| Installation lighting & signalling (tractors) | 78/933 | 1999/56 2006/26 | 86 | 8.2.4 |
| Daytime running lamps | 97/30 | 87 | 8.1.10 | |
| Retro-reflective tyres for two-wheeled vehicles | 88 | 2.6 | ||
| Speed limitation devices | 92/24 | 2004/11 | 89 | 14.3.9 |
| Replacement braking parts | 90 | 1.2 | ||
| Side marker lamps | 97/30 | 91 | 8.3.1 | |
| Replacement silencing systems (RESS)(motorcycles) | 97/24 | 92 | 6.2.6 | |
| Front underrun protective devices | 2000/40 | 93 | 13.2.5 | |
| Frontal collision protection | 96/79 | 96/79\Cor 1999/98 2018/178 | 94 | 11.1.2 |
| Lateral collision protection | 96/27 | 95 | 11.1.4 | |
| Diesel emission (agricultural tractors) | 2000/25 | 2005/13/EC 77/537 82/890 2010/22/EU 2011/72/EU 2011/72/EU 2014/43 2000/25/EC | 96 | 5.3.6 |
| Vehicle Alarm Systems (VAS) (see R18) | 97 | 14.3.11 | ||
| Headlamps with gas-discharge light sources | 98 | 8.1.19 | ||
| Gas-discharge light sources | 99 | 8.1.20 | ||
| Electric power trained vehicles | 100 | 19.6 | ||
| CO2 emission/fuel consumption | 80/1268 | 89/491 93/116 1999/100 2004/3 | 101 | 5.3.2 |
| Close coupling devices (CCDs) | 102 | 4.2 | ||
| Replacement pollution control devices | 103 | 5.1.5 | ||
| Retro-reflective markings | 104 | 8.3.6 | ||
| Dangerous Goods (ADR) | 94/55 | D/2008/68 96/86 2000/61 2001/7 2003/28 2004/111 2008/68 2008/68 2008/68 2008/86 2010/187/E 2011/26/EU 2012/188 | 105 | 20.11 |
| Tyres for agricultural vehicles | 106 | 2.7 | ||
| General construction of M2 or M3 vehicles | 2001/85 | 2018/237 | 107 | 18.1.2 |
| Retreaded tyres for passenger cars & trailers | 108 | 2.4.1 | ||
| Retreaded tyres for commercial vehicles & trailers | 109 | 2.4.2 | ||
| CNG and LNG Vehicles & Components | 110 | 20.7 | ||
| Handling and stability of vehicles | 111 | 3.3.1 | ||
| Headlamps emitting an asymmetrical passing-beam | 112 | 8.1.26 | ||
| Headlamps emitting a symmetrical passing-beam | 113 | 8.1.25 | ||
| Airbag module for a replacement airbag system | 114 | 12.4 | ||
| LPG and CNG retrofit systems | 115 | 20.6.1 | ||
| Anti-theft and alarm systems | 116 | 14.3.2 | ||
| Tyres rolling resistance, noise & wet grip | 117 | 6.1.6 | ||
| Burning behaviour of materials | 95/28 | 118 | 15.3.1 | |
| Cornering lamps | 119 | 8.1.27 | ||
| Net power tractors & non-road mobile machinery | 120 | 20.5.1 | ||
| Identification of controls tell-tales & indicators | 78/316 | 93/91 94/53 | 121 | 14.2.3 |
| Heating systems | 2001/56 | 2004/78 2004/78 2006/119 | 122 | 14.3.1 |
| Adaptive front lighting systems (AFS) | 123 | 8.1.28 | ||
| Replacement wheels for passenger cars | 124 | 2.8 | ||
| Forward field of vision of drivers | 77/649 | 81/643 88/366 90/630 | 125 | 10.2.1 |
| Partitioning systems | 126 | 14.3.13 | ||
| Pedestrian Safety | 127 | 13.2.7 | ||
| Light Emitting Diode (LED) light sources | 2018/1998 | 128 | 8.2.6 | |
| Enhanced Child Restraint Systems (ECRS) | 129 | 12.3.4 | ||
| Lane Departure Warning System (LDWS) | 351/2012 | C/351/2012 | 130 | 1.3.2 |
| Advanced Emergency Braking Systems (AEBS) | 347/2012 | 131 | 1.3.1 | |
| Retrofit Emission Control Devices (REC) | 2018/630 | 132 | 5.2.4 | |
| Recyclability of motor vehicles | 2005/64 | 2009/1 | 133 | 20.22.1 |
| Hydrogen Fuel Cell Vehicles | 134 | 30.3 | ||
| Pole Side Impact | 135 | 11.6.1 | ||
| Electric Vehicles of Category L | 136 | 19.8 | ||
| Frontal Impact and Restraint Systems | 2020/576 | 137 | 11.1.5 | |
| Quiet Road Transport Vehicles (QRTV) | 2017/71 | 138 | 6.3.2 | |
| Brake Assist Systems (BAS) | 139 | 1.3.3 | ||
| Electronic Stability Control (ESC) | 661/2009 | 140 | 1.3.4 | |
| Tyre Pressure Monitoring System (TPMS) R141 | 141 | 2.10.2 | ||
| Tyre Installation UN ECE Regulation | 2020/242 | 142 | 2.13.2 | |
| Heavy Duty Dual-Fuel Retrofit (HDDF-ERS) | 143 | 5.2.5 | ||
| Accident Emergency Call Systems (AECS) e-Call | 2015/758 | 2010/40 2017/78 2017/79 2017/1293 | 144 | 25.1 |
| ISOFIX anchorage systems, i-Size seating positions | 145 | 12.3.5 | ||
| Hydrogen and fuel cell vehicles of category L | 146 | 30.4 | ||
| Agricultural Mechanical Coupling components | 2022/2055 | 147 | 4.1.2 | |
| Light-Signalling Devices (LSD) | 148 | 8.2.7 | ||
| Road Illumination Devices (RID) | 149 | 8.2.8 | ||
| Retro-Reflective Devices (RRD) | 150 | 8.1.29 | ||
| Blind-spot information systems (BSIS) R151 | 151 | 10.1.4 | ||
| Advanced Emergency Braking System (AEBS) for M1/N1 | 152 | 1.3.5 | ||
| Fuel System Electric Power Train Safety (R153) | 153 | 11.1.7 | ||
| WLTP Type Approval (R154) | 2022/2124 | C2022/2124 | 154 | 5.7 |
| Cyber security and management system (R155) | 155 | 25.2 | ||
| Software update and management system (R156] | 156 | 25.3 | ||
| Automated Lane Keeping Systems(ALKS) R157 | 157 | 25.4 | ||
| Awareness of the vulnerable behind vehicles R158 | 158 | 10.1.5 | ||
| Moving Off Information System (MOIS) R159 | 159 | 10.1.6 | ||
| Event Data Recorder (EDR) - R160 | 2021/1215 | 160 | 14.3.14 | |
| Vehicle protection against unauthorized use -R161 | 161 | 14.3.15 | ||
| Vehicle Immobilizers and vehicle approval – R162 | 162 | 14.3.16 | ||
| Vehicle Alarm System and vehicle approval -R163 | 163 | 14.3.17 | ||
| Studded Tyres – C1, C2, C3 (R164) | 164 | 2.9.1 | ||
| Reverse Warning – Approval of Audible Reverse Warning devices and the vehicles | 165 | 7.3 | ||
| Vulnerable Road Users in Front and Side Close Proximity (R166) | 166 | 10.2.5 | ||
| Approval of Motor Vehicles with Regard to Their Direct Vision | 167 | 10.1.7 | ||
| Real Driviing Emissions (RDE) | 2024/211 | 168 | 5.10 | |
| TEST-xxxx1Subjectxx2xxxxxxxxx3xxxxxxxxx4xxxxxxxxx5xxxxxxxxx6xxxxxxxxx7xxxxxxxxx8xxxxxxxxx9xxxxxxxxx0 | 888/1 | 888H | 88 |
