of the penalty or from the time its execution is barred by the statute of limitation; on a motion from the sentenced person the court may order the expunction of the sentence after only 3 years. § 5. In the event of the imposition of the penalty being renounced, the expunction of the sentence shall take place by virtue of law, after the expiration of one year from the date of the final and valid sentence. § 6. If a penal measure was imposed, the expunction of the sentence may not take place before its execution, remission or before the time its execution is barred by the statute of limitation, subject to Article 76 § 2. Article 108. If the perpetrator has been sentenced for two or more offences which were not concurrent, and if the sentenced person, after the commencement, but before the expiration of the period required for the expunction of a sentence has committed an offence, only a simultaneous expunction of all the sentences shall be permitted. Chapter XIII. Liability for offences committed abroad Article 109. The Polish penal law shall be applied to Polish citizens who have committed an offence abroad. Article 110. § 1. The Polish penal law shall be applied to aliens who have committed abroad an offence against the interests of the Republic of Poland, a Polish citizen, a Polish legal person or a Polish organisational unit not having the status of a legal person. § 2. The Polish penal law shall be applied to aliens in the case of the commission abroad of an 39