PART I—PRELIMINARY
Offences Against Administration of Justice
18. A person who is alleged to have committed an
offence under any of sections 9 to 17 may be tried and
punished in Kenya for that offence if—
(a) the act or omission constituting the offence is alleged to have been committed in Kenya or on board an aircraft or vessel which is registered in Kenya; or
(b) at the time the offence is alleged to have been committed, the person was a Kenyan citizen or was employed by Kenya in a civilian or military capacity; or
(c) the person is, after commission of the offence, present in Kenya
(2) A trial authorised by this section to be conducted in Kenya may be conducted in any court of competent jurisdiction.
National penalties - offences against the administration of justice
EDIT.