Digital Markets Act: Developments since its proposal Following the European Commission’s initial proposal of the Digital Markets Act (DMA) in December 2020, its adoption by the European Parliament in March 2022 and the entry into force on November 1, 2022, the DMA will finally apply from May 2, 2023. The DMA contains a list of obligations and prohibitions, subject to fines, that core platform services (CPS) provided by so-called gatekeepers must comply with in their daily operations.