Unless otherwise stipulated, the following provisions shall apply mutatis mutandis:
1. the provisions under Sections 169 to 201 of the German Courts Constitution Act [Gerichtsverfassungsgesetz] regarding the admission of the public to proceedings, the maintaining of order in court, the official court language, judicial deliberation and voting as well as legal redress for excessive length of court proceedings;
2. the provisions of the German Code of Civil Procedure regarding the exclusion or challenge of a judge, representation and assistance in court, service of process ex officio, summons, dates of hearings and time limits, orders regarding the appearance in person of the parties, joining of several proceedings, taking of testimony of witnesses and experts and any other procedures for gathering evidence, restoration of the status quo ante due to non-compliance with a time limit as well as on electronic legal communication.