Since March 15, 2024, the German Arbitration Institute (DIS) offers a one-of-its kind solution to make third-party notices work also in arbitration: The Supplementary Rules for Third-Party Notices (DIS-TPNR). The DIS-TPNR are the work product of a DIS working group which was established in 2021. The authors of this post have had a leading role…