‘[40] …the nature of any particular necessary connection depends on its context, for example, electrical, familial, physical or logical. The relevant context in this case is the scheme for charging and recovering VAT in the member states of the EU. The process of off-setting inputs against outputs in a particular period and accounting for the difference to the relevant revenue authority can connect two or more transactions or chains of transactions in which there is on common party whether or not the commodity sold is the same. If there is connection in that sense it matters not which transaction or chain came first. …. Given that the clean and dirty chains can be regarded as connected with one another, by the same token the clean chain is connected with any fraudulent evasion of VAT in the dirty chain….. Moreover, in the passage at [55] relied upon, the Chancellor specifically said that it was the act of the contra-trader in being a party to both clean and dirty chain which constituted sufficient connection. 76. On the contrary, the Chancellor, in the passage relied upon, seemed to be saying something about the nature of the broker’s knowledge , rather than anything to do with connection . The difficulty with that is that it is clear from the later Court of Appeal decision in Fonecomp[2015] EWCA Civ 39 that the broker only has to be shown to know of a general connection to fraud: the broker does not have to be shown to know of the details of the fraud. The broker will lose its right to a VAT refund if it knows its transactions are connected to fraud, even if it does not know it was an MTIC fraud involving contra-trading. At [48] Arden LJ in Fonecomp said that ‘what is required is simply participation with knowledge in a transaction “connected with fraudulent evasion of VAT”’