Prevention of Crime Act, 1908

Power in certain cases to commute penal servitude to preventive detention.

12. Where a person has been sentenced, whether before or after the passing of this Act, to penal servitude for a term of five years or upwards, and he appears to the Secretary of State to have been a habitual criminal within the meaning of this Act, the Secretary of State may, if he thinks fit, at any time after three years of the term of penal servitude have expired, commute the whole or any part of the residue of the sentence to a sentence of preventive detention, so, however, that the total term of the sentence when so commuted shall not exceed the term of penal servitude originally awarded.