Podle definice v příloze 7 konsolidované rezoluce o konstrukci vozidel (R.E.3) (dokument TRANS/WP.29/78/Rev.1/Amend.2).
As defined in the Consolidated Resolution on the Construction of Vehicles (R.E.3), Annex 7 (document TRANS/WP.29/78/Rev.1/Amend.2).