(1) The competition authorities are the Bundeskartellamt, the Federal Ministry for Economic Affairs and Energy, and the supreme Land authorities competent according to the laws of the respective Land.
(2) Unless a provision of this Act assigns competence for a particular matter to a particular competition authority, the Bundeskartellamt shall exercise the functions and powers assigned to the competition authority under this Act if the effect of the restrictive or discriminatory conduct or of a competition rule extends beyond the territory of a Land. In all other cases, the supreme Land authority competent according to the laws of the Land shall exercise these functions and powers.
(3) The Bundeskartellamt shall monitor the degree of transparency, including that of wholesale prices, and the degree and effectiveness of liberalisation as well as the extent of competition on the wholesale and retail levels of the gas and electricity markets and on the gas and electricity exchanges. The Bundeskartellamt shall without delay make the data compiled from its monitoring activities available to the Bundesnetzagentur.