1The severance of the proceedings may be decided also ex officio only if this does not result in a prejudice to the proving of facts, in the following cases:
awhen proceedings have been suspended for a defendant or more, or for one or more charges;
bwhen one or more defendants have not appeared in court because of the invalidity of the summoning, their inculpable lack of knowledge of the summons or because of lawful impediments;
cRepealed;
çwhen the judicial examination for one or more defendants or for one or more charges is complete, whereas for the other defendants or for the other charges it is necessary to conduct other activities, exception made for the case of a charge for criminal offence in collaboration.
2In addition to the cases provided for by paragraph 1, the severance of cases may also be decided with the consent of the parties, when the court deems it useful for the purposes of expedite trial.