This section applies where a court imposes a fixed-term sentence on a person who—
was tried for the offence in respect of which the sentence was imposed, or received the sentence—
after having been extradited to the United Kingdom, and
without having first been restored or had an opportunity of leaving the United Kingdom, and
was for any period kept in custody while awaiting extradition to the United Kingdom as mentioned in paragraph (a).
In this section “fixed term sentence” means—
a sentence of imprisonment for a determinate term,
a determinate sentence of detention in a young offender institution, ...
a determinate sentence of detention under section 250 , 252A or 254 , or
a detention and training order.
The court must specify in open court the number of days for which the prisoner was kept in custody while awaiting extradition.