4A_332/2020 vom 1. April 2021 [No mandatory duty to repeat proceedings in case of replacement of an arbitrator] - ASA Bulletin View 4A_332/2020 vom 1. April 2021 [No mandatory duty to repeat proceedings in case of replacement of an arbitrator] by - ASA Bulletin 4A_332/2020 vom 1. April 2021 [No mandatory duty to repeat proceedings in case of replacement of an arbitrator] 39 3 ASA Bulletin