(1) This section applies to any sentence whose term or non-parole period is extended under this Act.
(2) The date of commencement of any other sentence (the
"later sentence" ) that is to be served consecutively, or partly consecutively, with the extended sentence (the
"earlier sentence" ), is, by this subsection, postponed--(a) if the later sentence commences at or before the end of the non-parole period of the earlier sentence, by the period for which the non-parole period of the earlier sentence is extended, or(b) if the later sentence commences at or before the expiry of the earlier sentence (but after the end of any non-parole period), by the period for which the term of the earlier sentence is extended.
(3) The relevant warrant of commitment is sufficient authority for the detention of the person concerned--(a) in the case of a warrant committing the person to a correctional centre, until the end of the extended term of the sentence, or