(8) No order for the surrender of any person may be executed –
(a) before the period allowed for an appeal has expired, unless that person has waived his right of appeal in writing; or
(b) before such an appeal has been disposed of.
Fair trial standards
Admissibility challenge - ne bis in idem
Appeal against other decisions - national proceedings
Appeal relating to a decision granting or denying release of the person being investigated or prosecuted - national proceedings
EDIT.