| UN R49 Diesel and CNG/LNG Engine Emissions | UN Regulation | UNR 0049 |
| UN R67 Liquefied Petroleum Gas Equipment | UN Regulation | UNR 0067 |
| UN R79 Steering Equipment | UN Regulation | UNR 0079 |
| UN R110 Compressed and Liquefied Natural Gas System Components | UN Regulation | UNR 0110 |
| 1968 Vienna Convention on Road Traffic | 1968 Vienna Convention | |
| 1997 Agreement on Periodical Technical Inspections | 1997 Agreement | |
| UN Rule No. 2 Vehicle Inspections: Roadworthiness | Rule 0002 | |
| Automated Vehicle Periodic Technical Inspections | Automated Vehicle PTI | |
| PTI Tampering Detection | PTI Anti-Tampering | |
| Road-Side Inspections | Road-Side PTI |