Perhaps I can make my own speech in my own way. Citric acid is one, oxalic acid is another and the new drug which we discussed last night, penicillin, is a third. They are made from glucose, molasses, and sugar in one form or another. For some time—I think since 1897—the Commissioners of Customs and Excise have permitted, in an extra-statutory way, the use duty tree of sugar, molasses, and glucose by chemical manufacturers, and certain other manufacturers. We are now regularising a situation which has prevailed for over 50 years. This Clause makes no change in what has been the regular practice, and I hope it will be accepted by the Committee