Commission Delegated Regulation (EU) 2021/1398 of 4 June 2021 amending Delegated Regulation (EU) 2017/654 supplementing Regulation (EU) 2016/1628 of the European Parliament and of the Council with regard to the acceptance of approvals granted in accordance with Regulations Nos 49 and 96 of the Economic Commission for Europe of the United Nations (UNECE)