§ 4. "That a Supplementary sum, not exceeding £3,400, be granted to His Majesty, to defray the charge which will come in course of payment during the year ending on the 31st day of March, 1940, for the salaries and expenses of the Law Officers' Department, the salaries and expenses of the Departments of His Majesty's Procurator-General and of the Solicitor for the Affairs of His Majesty's Treasury, and of the Department of the Director of Public Prosecutions; the costs of prosecutions, of other legal proceedings, and of Parliamentary Agency."