Article 12 4.

The Commission is empowered to adopt delegated acts in accordance with Article 49 to supplement this Regulation in respect of the obligations in Article 7 by specifying the manner in which those obligations are to be performed in order to ensure effective compliance with those obligations. Those delegated acts shall be based on a market investigation pursuant to Article 19, which has identified the need to keep those obligations up to date in order to address practices that limit the contestability of core platform services or that are unfair in the same way as the practices addressed by the obligations laid down in Article 7.