GENERAL PART
CHAPTER IX. Concurrence of offences and aggregation of penalties and penal measures
Article 85. If the perpetrator committed two or more offences, before the first, even not yet valid
judgement was rendered with regard to any of these offences, and for which basic penalties of the same kind were imposed, the court shall impose an aggregate penalty taking as a basis the separate penalties imposed for the offences which are so aggregated.
Article 86. § 1. The court shall impose an aggregate penalty within the highest limit of the
penalties imposed for individual offences, but which do not exceed 540 times the daily fine, 18 months
restriction of liberty or 15 years of deprivation of liberty ; the aggregated penalty of fine specified in Article 71 § 1 may not exceed 180 times the daily fine if it is connected with a suspension of the execution of a penalty of deprivation of liberty, and may not exceed 90 times the daily fine if it is associated with a suspension of the execution of a penalty of restriction of liberty.
Joint sentence following multiple convictions - national proceedings
EDIT.