[6] Sections 1(1) and (2) provide: (1) If any person for the purpose of gaining admission, or of assisting any other person to gain admission, to a prohibited place, within the meaning of the Official Secrets Act 1911 (hereinafter referred to as "the principal Act"), or for any other purpose prejudicial to the safety or interests of the State within the meaning of the said Act – he shall be guilty of a misdemeanour.

Section 2(1) provides: In any proceedings against a person for an offence under section one of the principal Act, the fact that he has been in communication with, or attempted to communicate with, a foreign agent, whether within or without the United Kingdom, shall be evidence that he has, for a purpose prejudicial to the safety or interests of the State, obtained or attempted to obtain information which is calculated to be or might be or is intended to be directly or indirectly useful to an enemy.See R v Kent [1941] 1 KB 454, 28 Cr App R 23, 57 TLR 307, CCA "The principal Act" This means the Official Secrets Act 1911 (see section 1 above).

This section provides: No person in the vicinity of any prohibited place shall obstruct, knowingly mislead or otherwise interfere with or impede, the chief officer or a superintendent or other officer of police, or any member of His Majesty’s forces engaged on guard, sentry, patrol, or other similar duty in relation to the prohibited place, and, if any person acts in contravention of, or fails to comply with, this provision, he shall be guilty of a misdemeanour.

[9] "Prohibited place" This expression is defined by section 3 of the Official Secrets Act 1911.

It now provides: (1) Where a chief officer of police is satisfied that there is reasonable ground for suspecting that an offence under section one of the principal Act has been committed and for believing that any person is able to furnish information as to the offence or suspected offence, he may apply to a Secretary of State for permission to exercise the powers conferred by this subsection and, if such permission is granted, he may authorise a superintendent of police, or any police officer not below the rank of inspector, to require the person believed to be able to furnish information to give any information in his power relating to the offence or suspected offence, and, if so required and on tender of his reasonable expenses, to attend at such reasonable time and place as may be specified by the superintendent or other officer; and if a person required in pursuance of such an authorisation to give information, or to attend as aforesaid, fails to comply with any such requirement or knowingly gives false information, he shall be guilty of a misdemeanour.

(see section 1) "Aids or abets and does any act preparatory" The word "and" in this expression must be read as "or".

[13] See Attorney General v Leveller Magazine Ltd [1979] AC 440, 68 Cr App R 343, [1979] 2 WLR 247, [1979] 1 All ER 745, [1979] Crim LR 247, HL, reversing [1979] QB 31, [1978] 3 WLR 395, [1978] 3 All ER 731, [1978] Crim LR 627, DC