PART VII—PERSONS IN TRANSIT TO ICC OR SERVING SENTENCES IMPOSED BY ICC
Enforcement of Sentences in Kenya
136.
(2) On arrival in Kenya or, if the person is already inKenya when the sentence is imposed, on the imposition of
the sentence, the ICC prisoner shall be detained inaccordance with the Prisons Act as if the prisoner had been sentenced to imprisonment under Kenyan law.
Conditions of imprisonment / detention - international treaty standards
EDIT.