Question to the Department for Work and Pensions:

To ask the Secretary of State for Work and Pensions, whether his Department has a system for monitoring whether its written correspondence to claimants has been successfully delivered.

The Department for Work and Pensions does not have a system in place to monitor whether written correspondence is successfully delivered. However, the Department regularly checks with its customers that their addresses are current and takes immediate action to amend any records when notified of changes.