4. (1) Where the Government considers it expedient that the persons who, being accused or convicted of offences at places within, or within the jurisdiction of, a foreign State, are or are suspected to be in Bangladesh should be returned to that State, notwithstanding that there is no extradition treaty with that State, it may, by notification in the official Gazette, direct that the provisions of this Act shall, with respect to such offences and subject to such modifications, exceptions, conditions and qualifications, if any, as may be specified therein, have effect in relation to that State. (2) Where a direction under sub-section (1) in relation to a foreign State is in force, the provisions of this Act shall, with respect to the offences specified in that direction, have effect in relation to such State as if it were a treaty State.