The Official Secrets (Prohibited Places) Order 1964
In pursuance of the power conferred on me by section 3 of the Official Secrets Act 1911(a), as amended by section 10 of the Official Secrets Act 1920(b) and as read with section 6 of the Atomic Energy Authority Act 1954(c), I hereby make the following Order:-

(a) 1 & 2 Geo. 5. c. 28.  (b) 10 & 11 Geo. 5. c. 75.  (c) 2 & 3 Eliz. 2. c. 32.  (d) S.I. 1959/705 (1959 II, p. 1978).