PART 1 - PRELIMINARY PROVISIONS
4.
Interpretation—
(3)For the purposes of Parts 1 to 11,—
(d) a reference to a sentence of imprisonment imposed by the ICC includes a reference to a sentence of imprisonment extended by the ICC (whether for the non-payment of a fine or otherwise); and
(e)a reference to a sentence of imprisonment imposed by the ICC for an international crime or an offence against the administration of justice includes a reference to a sentence of imprisonment imposed by the ICC for non-payment of a fine that was a penalty for that crime or offence, as the case may be.
Enforcement of sentences imposed
Enforcement of sentence of imprisonment
EDIT.