4Offences by or in relation to sentries, persons on watch etc.
(1)The following provision shall be substituted for section 29 of the Army Act 1955:—
“29Offences by or in relation to sentries, persons on watch etc.
Any person subject to military law who—
(a)while on guard duty and posted or ordered to patrol, or on watch, or under orders to regulate traffic by land, water or air, sleeps or, without having been regularly relieved, leaves any place where it is his duty to be, or
(b)strikes or otherwise uses force against a member of Her Majesty's forces, or of any forces co-operating therewith, who is on guard duty and posted or ordered to patrol, or on watch, or under orders to regulate traffic by land, water or air, or
(c)by the threat of force compels any such person as is mentioned in paragraph (b) above to let him or any other person pass,
shall be liable, on conviction by court-martial, to imprisonment for a term not exceeding two years or any less punishment provided by this Act.”
(2)The provision set out in subsection (1) above shall also be substituted for section 29 of the Air Force Act 1955, but modified for that purpose by the substitution of " air-force law " for " military law ".
(3)The said provision shall also be substituted for section 6 of the Naval Discipline Act 1957 (including the cross-heading preceding that section), being numbered as section 6 of that Act, and being modified for that purpose by the substitution of " person subject to this Act " for " person subject to military law " and of " punishment authorised by this Act " for " punishment provided by this Act", and by the omission of " on conviction by court-martial ".