Artikel 13

1. Without prejudice to the provisions of Article 10, 11 and 12 of this Agreement, a person, appearing before the judicial authorities of the Requesting Party to give evidence or to assist otherwise in an investigation or a person transferred for that purpose, shall not be prosecuted, detained, punished or subjected to any other restriction of personal liberty in the Requesting Party for any acts or omissions which preceded that person's departure from the Requested Party.
2. A person referred to in Paragraph 1 of this Article shall not be subjected to civil proceedings which the person could not be subjected if he or she were not in the territory of the Requesting Party.
3. A person referred to in Paragraph 1 of this Article shall not be obliged to provide support in criminal proceedings other than those to which the request relates.
4. The protection provided for in Paragraphs 1, 2 and 3 of this Article shall cease to apply if a person, being free to leave the territory of the Requesting Party, has not left within thirty (30) days after receiving official notification that the person's attendance is no longer required or, having left, has voluntarily returned. This period of time shall not include any time during which the person is unable to leave the territory of the Requesting Party for reasons beyond his or her control.
5. A person who consents to give evidence pursuant to Article 10 or 12 of this Agreement shall not be subject to prosecution based on his or her testimony as a witness or as an expert, except for perjury or contempt of court.