239. Provisions about imprisonment or detention.

Where:

  1.  

    (1)     a warrant committing the defendant1 to prison or detention is issued for a default in payment of an amount ordered to be paid under a confiscation order2 in respect of an offence or offences3; and

  2.  

    (2)     at the time the warrant is issued the defendant is liable to serve a term of custody in respect of the offence (or any of the offences)4,

the term of imprisonment or of detention