On 23 September 2011, the CAT published appeals by BT and TalkTalk against Ofcom’s imposition of a wholesale broadband access control charge. BT argues that Ofcom failed to take into account certain costs and other factors in its calculation of the charge control. Read more. Whereas, TalkTalk argues that there has not been a material change in the market justifying the imposition of the new charge control. Read more.