Article 2 of the constitution of Kenya 2010

 Chapter 1 - SOVEREIGNTY OF THE PEOPLE AND SUPREMACY OF THIS CONSTITUTION

Article2 - Supremacy of this constitution

1. This constitution is the supreme law of the Republic and binds all persons and
   all State organs at both levels of government.
2. No person may claim or exercise State authority except as authorised under
   this Constitution.
3. The validity or legality of this Constitution is not subject to challenge by
   or before any court or other State organ.

4.  Any law including customary law, that is inconsistent with this Constitution
   is void to the extent of the inconsistency, and any act or omission in
   contravention of this Constitution is invalid.
5. The general rules of international law shall form part of the law of Kenya.
6. Any treaty or contravention ratified by Kenya shall form part of the law of
   Kenya under this Constitution.