Results of the review of proposals for UN Regulations R28, R51, R64, R138, R141, R142, and R165 regarding autonomous vehicle readiness. Key findings include: inconsistent Mass in Running Order definitions between R51 and R138 versus RE3; unclear special testing provisions in R64, R138, and R165; need for clarification on ADS optical and logical signal transition in R64; redundant full definitions from RE3 in multiple proposals should reference RE3 via footnote instead; inconsistent ADS activity terminology across R64, R141, and R165 should be standardized; incorrect Category Y references in R51 Table 2; and definition and spelling errors in R51, R138, R141, and R165.

Proposal to amend paragraph 1, footnote 1, insert new paragraphs 2.23. to 2.26. defining Automated Driving System, Dynamic Driving Task, Category X vehicles, and Category Y vehicles, amend paragraph 4.4.1., footnote 2, amend section 5.2.3. to add requirements for vehicles equipped with an ADS and exclude speed warning label requirements for vehicles of categories X and Y, amend Annex 1, footnote 4, insert new item 6.2. regarding ADS equipment, insert new paragraph 2.2. in Annex 2 Section I regarding ADS equipment, and insert new paragraph 4.2. in the Addendum to communication form regarding brief description of the ADS if fitted.

A version with tracked changes is also available.