GENERAL PART
SECTION I. CRIMINAL LAW
CHAPTER 2. Territorial Application of the Criminal Law and Question of its Retroactivity
Article 15. Application of the Criminal Law in Regard to Persons who Committed Crimes outside the Republic of Tajikistan
(3) These rules shall be applied if foreign citizens and persons without citizenship, who are not permanent residents, were not convicted in any other state.
Ne bis in idem
Universal jurisdiction
EDIT.