The provisions of this Regulation shall, in the field of transport by rail, road and inland waterway, apply both to all agreements, decisions and concerted practices which have as their object or effect the fixing of transport rates and conditions, the limitation or control of the supply of transport, the sharing of transport markets, the application of technical improvements or technical cooperation, or the joint financing or acquisition of transport equipment or supplies where such operations are directly related to the provision of transport services and are necessary for the joint operation of services by a grouping within the meaning of Article 3 of road or inland waterway transport undertakings, and to the abuse of a dominant position on the transport market. These provisions shall apply also to operations of providers of services ancillary to transport which have any of those objects or effects.