10. Section 151 of the Principal Act is amended, in subsection (4) —
(a) by the insertion of “on being granted remission of portion of his or her period of detention in a children detention school pursuant to regulations made under section 221,” after “detention”, and
(b) by the deletion of “on earning remission of sentence by industry or good conduct or on being given temporary release under section 2 or 3 of the Act of 1960,”.