§ 7. That a Supplementary sum, not exceeding £1,000, be granted to Her Majesty, to complete the sum necessary to defray the charge which will come in course of payment during the year ended on the 31st day of March, 1966, for the salaries and expenses of the Central Defence Staffs, the Defence Secretariat and the Central Defence Scientific Staff and of certain Joint Service Establishments; expenses in connection with International Defence Organisations, including international subscriptions; and sundry other services including certain grants in aid.