TITLE II
CHAPTER I
INTERNATIONAL LETTERS ROGATORY FROM ABROAD
Art. 24
(Immunity of the prosecuted person)
1. A person, whatever his nationality, summoned before the judicial authorities of the requesting State to answer for acts forming the subject of proceedings against him, shall not be prosecuted, detained or subjected to any other restriction of his personal liberty for acts or convictions anterior to his departure from the territory of the Republic of San Marino and not specified in the summons.
2. The immunity provided for in this article shall cease when the prosecuted person, having had the opportunity to leave the territory of the requesting State during a period of fifteen days from the date on which his presence is no longer required by the judicial authorities, has nevertheless remained in the territory, or having left it, has returned.
EDIT.