Detention after date of discharge
76.—(1)  Any punishment lawfully imposed on a prisoner under this Act or any regulations made thereunder may be carried into effect notwithstanding that the carrying into effect thereof may necessitate the detention of the prisoner beyond the date at which he would otherwise be entitled to be discharged from prison.
(2)  The period of detention under subsection (1) shall not exceed 48 hours, such period to be calculated from the last hour of the day upon which the prisoner would otherwise be entitled to be discharged.
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