R (on the application of Parissis & Ors) v Grinyer (Inspector of HM Revenue and Customs) & Ors.  BTC 446
 EWHC 3734 (Admin).
Queen’s Bench Division (Administrative Court).
CMG Ockleton (sitting as a deputy High Court judge).
Judgment delivered 18 December 2009.
Income tax – Inquiry – Power to call for documents – Notice – Summary of reasons – Notices requiring taxpayers to provide information – Taxpayers challenging validity of notices – Whether letters not signed by inspector gave inspector’s reasons for issuing notices – Taxpayers' application dismissed – Taxes Management Act 1970, s. 20(8E).