Section 4 Persons accused of high treason entitled to benefit of 7 & 8 Will. 3. c. 3. and 7 Ann. c. 21., except in cases herein mentioned.

Provided, that all and every person and persons, that shall at any time be accused, or indicted or prosecuted for any offence made or declared to be high treason by this Act, shall be entitled to the benefit of the M1Treason Act 1695 F1and also to the provisions made by the M2Treason Act 1708, save and except in cases of high treason in compassing or imagining the death of any heir or successor of his Majesty, and of misprision of such treason, where the overt act or overt acts of such treason which shall be alleged in the indictment for such offence shall be assassination or killing of any heir or successor of his Majesty, or any direct attempt against the life of any heir or successor of his Majesty, or any direct attempt against the person of any heir or successor of his Majesty, whereby the life of such heir or successor may be endangered, or the person of such heir or successor, may suffer bodily harm.