Marks & Spencer Plc [2010] UKUT 213 (TCC) (21 June 2010)
EUROPEAN LAW – group relief for losses of non-resident subsidiaries – whether there are no possibilities for those losses to be taken into account at the date of the group relief claim – date of valid claim where series of group relief claims – whether valid group relief claim can be made out of time – application of principle of effectiveness – method of quantifying losses for which group relief claim can be made