§ 4. "That a Supplementary sum, not exceeding £6,000, 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, 1929, for the Salaries and Expenses of the Lord Advocate's Department, and other Law Charges, the Salaries and Expenses of the Courts of Law and Justice and of Pensions Appeals Tribunals in Scotland, and Bonus on certain Statutory Salaries."