This document presents the status of the Guidance and Interpretation document for UN Regulation and GTR ADS, submitted by the OPI on ISMR provisions. It outlines closed topics including clarification on EDR trigger for critical occurrence, confidentiality and publication of information, and guidance on short-term, periodic templates and SPIs. Ongoing work addresses guidance on occurrences with examples of situations and metrics for ADS operation outside its ODD, and guidance for development of scenarios derived from ISMR activities.

Proposal to update the explanation on reportable occurrences in Annex 1 (GTR) and 3 (UNR). The revision refines language in the requirement describing the manufacturer’s Safety Management System by removing “expected” to avoid implying obligation and clarifying the link between occurrence monitoring, reporting, analysis, system updates, improvements, and continuous improvement processes.

Proposal to clarify EDR provision in Annex on thresholds. For vehicle categories M₂, M₃, N₂, and N₃, the revised text clarifies that UN Regulation No. 169 does not include a representative delta V threshold. The manufacturer could determine their own delta-V trigger for a critical occurrence, including one based on a subset of EDR triggers, with no obligation to do so.

Proposal to amend para. 8.1.5.1. (ADS UNR) of the audit of the safety policy guidance: Change “may state” to “states,” “may address” to “addresses,” and “may therefore describe” to “therefore describes.” The rationale states that using “may” in the interpretation paragraphs seems inappropriate for explaining regulatory intention, and present tense better suits these requirements.

Proposal to explain para. 8.3.3.1. of the draft UN Regulation. The proposal addresses residual comments concerning wording used to derive scenarios for confirmatory testing by removing terminology not used in the regulation to avoid mis-interpretations. Confirmatory testing scenarios depend on the ADS feature, its ODD, and safety case scenarios. When selecting scenarios, the assessor may consider the ADS system description and its safety concept, and the safety claims presented in the safety case. Confirmatory testing may be undertaken using virtual testing, expected to be within the scope and capability of the toolchain being used, and can be within, at the boundary of or outside the ODD.

Proposal to explain para. 8.3.3.1.1. The revised text clarifies that relevant standards supporting the assessment of laboratories could include ISO/IEC 17025 Testing and calibration laboratories, which sets requirements for competence, impartiality, and consistent operation. Applied to ADS testing, it ensures measurements are traceable, validated, and reproducible so results are technically reliable and defensible for approval/certification purposes. However, there is no obligation for the manufacturer or third-party organization involved in the testing to be accredited according to ISO/IEC 17025.

Proposal to explain para. 8.3.2.4.1.4. The revised text divides guidance between ADS users and other road users. For ADS users, representativeness means including a range whose behaviours, skills, and characteristics reflect those reasonably expected to use the ADS, with testing not limited to engineers. For other road users, representativeness means capturing a sufficiently broad range of real-world behaviours and characteristics relevant to the ODD. The revised proposal also addresses statistical significance, encouraging manufacturers to provide calculations explaining their choice of participant numbers and underlying assumptions.

Proposal to explain para. 7.3.2.14. The revised text simplifies the definition of ‘sufficient’ to refer to the scope of tests performed on the fall-back response. With respect to scenarios, the manufacturer is encouraged to describe reasoning behind scenario choice and justification for the overall number chosen, acknowledging that scenario diversity depends on intended use case and operational design domain. References to user numbers and statistical methods for sample size assessment have been removed.

Proposal to explain paragraph 8.3.2.1.2. The revision clarifies that coverage can be evaluated based on the following items and their interdependencies: Operational Environment, Behavioural competency, Scenario-type/category, and Rules of road compliance. A footnote acknowledges that no single item alone can robustly document coverage.

European Commission proposals for changes to the text of the automatic emergency call systems/devices regulation under development. These changes focus mainly on the use of global navigation satellite systems and do not represent an endorsement of the rest of the text.

European Commission position stressing its requirement that the proposed automatic emergency call system regulation cover and include the EGNOS (EU Satellite Augmentation system) and Galileo (the EU global navigation satellite system).

Update on the status of European efforts to deploy a mandatory in-vehicle emergency call system.

EC comments (in green) on the working draft regulation text.

Document as updated during the 24th AVSR session (March 2025). Also available with tracked changes and comments.

Proposal to replace Directive 97/68/EC with an updated and more appropriate regulation, including expansion of the scope to include additional engine categories and to adapt the emission stages last amended in 2004 to the current state of technology. Furthermore, the regulation would address mismatches between emission limits and certain engine categories.

European Council directive of 16 December 1991 relating to the compulsory use of safety belts and child-restraint systems in vehicles (91/671/EEC).

EC proposal to address misinterpretations among type approval authorities and manufacturers that “extreme range extenders” (e.g. serial hybrid + small gasoline tank volume + range extender only used after battery is exhausted, + …) can be type-approved as pure electric vehicles.