Pursuant to the Germany–Czech BIT, an investor, A.________, made a request for arbitration under the UNCITRAL Rules. A Chair was selected by the party-appointed arbitrators, and the Arbitral Tribunal was constituted. In February 2020, the Arbitral Tribunal asked the parties to submit certain documents and respond to questions. The Defendant complied but A.________ requested and was granted several extensions and finally supplied documentation in June.