Question to the Home Office:

To ask the Secretary of State for the Home Department, how many errors made by staff of her Department in recording details such as addresses and country of birth on applications for (a) naturalisation and (b) indefinite leave to remain forms have had to be corrected in the last month.

This information is not aggregated in national reporting systems. It could only be obtained by a disproportionately expensive manual case by case search to collate the data.