“20. On29 April 2016 , the Appellant sent an appeal to HMRC regarding the penalties that had been issued to him, covering the years 2008/09 to 2013/14. 21. On27 June 2016 , Mr Brown sent the Appellant a letter in response to his appeal against the penalty notices and enclosed a copy of his predecessor, Mr Parmenter’s letter dated4 November 2015 .”