PART II - REQUESTS
5. Request to Mauritius
(2) The Central Authority may, in respect of a request under subsection (1) from a foreign State -
(b) refuse the request, in whole or in part, on the ground -
(vii) that the request relates to an offence, the prosecution of which, in the foreign State, would be incompatible with laws of Mauritius on double jeopardy ;
Ne bis in idem
Ne bis in idem - foreign court
Ne bis in idem - ICC
EDIT.