23 Sep 2020 UN R13: Proposal for amendments (Poland) GRVA-07-67 2020-09-23 Proposal to correct requirements for type-IIA (endurance braking performance) tests. Poland
20 Nov 2020 UN R13: Proposal for a supplement to the 11 series of amendments (Poland) GRVA/2021/16 2020-11-20 Proposal to correct requirements for type-IIA (endurance braking performance) tests. Poland