CHAPTER III: SURRENDER OF PERSONS BEING PROSECUTED AND OF PERSONS CONVICTED BY THE COURT
SECTION II: DETENTION PENDING SURRENDER AND SEIZURE
Art. 19 Warrant for arrest pending surrender
3 Upon presentation of the warrant for detention pending surrender, the executing authorities shall ascertain whether the person is identical to the person designated in the request. The authorities shall explain to the person the conditions for surrender and for simplified surrender (art. 23). The person shall be questioned briefly regarding personal circumstances and whether and for what reasons the person objects to the warrant or to the surrender; the person’s counsel may assist at this hearing.
Fair trial standards
Rights during investigation - questioned in presence of counsel
EDIT.