To ask the Chancellor of the Duchy of Lancaster and Minister for the Cabinet Office, what audit process his Department undertakes on claims made under the Public Duty Cost Allowance by former prime ministers; and what steps his Department takes to ensure that those claims meet the criteria for funding from that allowance.

As with any other Cabinet Office financial transaction, PDCA payments are subject to inspection by the Government Internal Audit Agency (GIAA) and the National Audit Office (NAO). The amount paid to each former Prime Minister is disclosed each year in the Department’s Annual Report and Accounts following full audit.

The costs are a reimbursement of incurred expenses for necessary office and secretarial costs. These costs can include diary support, Met Police protection on public visits, correspondence, staffing at public visits, support to charitable work, social media platforms and managing and maintaining ex-PMs office (staff, payroll, admin).