A statement by the Financial Secretary to the Treasury when the Finance Bill 1976 was being considered clearly indicated that a construction which otherwise would have been given by the House of Lords to section 63 of that Act did not accord with Parliament's intention. Lord Oliver stated (p. 599) that the Parliamentary history could be consulted as an aid to statutory construction:
"Only where the expression of the legislative intention is genuinely ambiguous or obscure or where a literal or prima facie construction leads to a manifest absurdity and where the difficulty can be resolved by a clear statement directed to the matter in issue."