On December 7, 2021, the Social Democrats (SPD), the Greens (BÜNDNIS 90/DIE GRÜNEN) and the Free Democrats (FDP) concluded the coalition agreement for the 20th legislative period of the German Parliament (2021 until 2025), in which they announced, inter alia, their intention to amend the German corporate co-determination law and to extend the scope of application of the German One-Third Participation Act (Drittelbeteiligungsgesetz).