For brevity, this letter uses short forms to identify the parties concerned:
■ "the NAO " refers to the National Audit Office;
■ "Operis" refers to Operis Business Engineering Limited;
■ "the PFI" refers to the UK Government's Private Finance Initiative;
■ "GOGGS" refers to the Government Offices in Great George Street, the principal occupant of which is HM Treasury;
■ "the Bidder" refers to Exchequer Partnership;
■ "SG" refers to Société Générale, financial adviser to the Bidder;
■ "the Transaction" refers to the agreement under the PFI whereby responsibility for developing, monitoring and operating GOGGS was transferred to a consortium led by the Bidder; and
■ "the Model" refers to a financial model of the transaction sent by email to Operis for evaluation, "GOGGS21.xls" date stamped. 28 March 2001, 10:47:08.