Constitution of Kenya
185. Legislative authority of county assemblies
(1) The legislative authority of a county is vested in, and exercised by, its county assembly.
(2) A county assembly may make any laws that are necessary for, or incidental to, the effective performance of the functions and exercise of the powers of the county government under the Fourth Schedule.
(3) A county assembly, while respecting the principle of the separation of powers, may exercise oversight over the county executive committee and any other county executive organs.
(4) A county assembly may receive and approve plans and policies for--
(a) the management and exploitation of the county’s resources; and
(b) the development and management of its infrastructure and institutions.