| 1997 Agreement on Periodical Technical Inspections | 1997 Agreement on Periodical Technical Inspections | WP.29 Agreements and Resolutions | Agreement Concerning the Adoption of Uniform Conditions for Periodical Technical Inspections of Wheeled Vehicles and the Reciprocal Recognition of such Inspections Also known as the Vienna Agreement of 1997, this agreement aims to harmonize the content and frequency of vehicle inspections across Europe. Regulations established under the 1997 Agreement are known as UN Rules. Presently, there are two UN Rules, covering environmental protection (UN Rule No. 1) and roadworthiness (UN Rule No. 2). The agreement developed out of the European Economic Commission's Regional Conference on Transport and the Environment (RCTE) and the principle instruments use that designation. 1997 Agreement 1997 Agreement on Periodical Technical Inspections United Nations Agreement 1997 Agreement | Agreement | |
| RE6: PTI administration | Administrative and technical provisions required for carrying out the technical inspections | WP.29 Agreements and Resolutions | Resolution R.E.6 on the administrative and technical provisions required for carrying out the technical inspections according to the technical prescriptions specified in Rules annexed to the 1997 Agreement Resolution R.E.6 on the administrative and technical provisions required for carrying out the technical inspections according to the technical prescriptions specified in Rules annexed to the 1997 Agreement RE6: PTI administration Administrative and technical provisions required for carrying out the technical inspections United Nations Agreement RE6: PTI administration | Resolution | 6 |
| RE7: Ultra-Fine PN Emissions | RE7: Ultra-Fine Particle Number Measurement For Heavy Duty Engines | WP.29 Agreements and Resolutions | RE7: Ultra-Fine PN Emissions RE7: Ultra-Fine Particle Number Measurement For Heavy Duty Engines United Nations Agreement RE7: Ultra-Fine PN Emissions | Resolution | 7 |