Section 217, THE CRIMINAL PROCEDURE ACTS, 1965

(1) A person in detention pursuant to the directions of the Govern-General under section 216 may at any timedischarged by the Governor-General on licence. (2) A licence may be in such form and may contain such conditions as the Governor-General may direct. (3) A licence may at any time be revoked or varied by the Governor-General and where a licence has been revoked, the persons to whom the licence related shall return to such place as the Governor-General may direct, and if he fails to do so, may be apprehended without warrant and taken to that place.