Chapter VIII Fundamental Human Rights
Article 98. Everyone has the right to freely depart from Latvia. Everyone having a Latvian passport shall be protected by the State when abroad and has the right to freely return to Latvia. A citizen of Latvia may not be extradited to a foreign country, except in the cases provided for in international agreements ratified by the Saeima if by the extradition the basic human rights specified in the Constitution are not violated.
EDIT.