“… amendment is the function of the legislature, and the Courts cannot fill a gap which comes to light by altering the words of a regulation to make it read in the way they think it should have been enacted. As Lord Bacon said in his essay on Judicature, the office of a judge is jus dicere, not jus dare-to state the law, not to give law-and the Courts below should not have gone in for ‘judicial legislation.”