§ Mr. Raceasked the Secretary of State for Northern Ireland if he will list those topics on which it is not his practice to answer parliamentary questions; and if he will list any changes in the practice of his Department since 9 November 1979.
§ Mr. PriorIt is not possible to provide an exhaustive list of topics on which I might exceptionally decline to answer questions on grounds other than cost and commercial confidence. There are occasions when information is withheld for security reasons, but each question will continue to be considered on its merits.