The DFL Deutsche Fußball Liga GmbH is a wholly owned subsidiary of Die Liga – Fußballverband. The DFL is responsible for entire operating business of the Ligaverband, including the Bundesliga and 2. Bundesliga leagues. From Wikipedia
Only 2,541 Eintracht Braunschweig fans will be allowed into Hannover's Heinz von Heiden Arena for the March match due to safety concerns.