“I enclose a copy of the letter I sent you on the6 March 2013 , which provides details of the amendments issued for the years 2005/06, 2006/07, 2007/08 and 2008/09, the 2009/10 assessment and the opening and closure notices for the year 2011/12. The appropriate notices have therefore been issued for all relevant years and are therefore deemed to have been closed.”