The Nandi County Assembly is established pursuant to Article 176 of the Constitution of Kenya 2010:
"There shall be a county government for each county, consisting of a County Assembly and a County Executive."
Pursuant to Article 177 of the Constitution, the County Assembly consists of—
(a) members elected by the registered voters of the wards, each ward constituting a single member constituency, on the same day as a general election of Members of Parliament, being the second Tuesday in August, in every fifth year;
(b) the number of special seat members necessary to ensure that no more than two-thirds of the membership of he assembly are of the same gender;
(c) the number of members of marginalised groups, including persons with disabilities and the youth, prescribed by an Act of Parliament; and
(d) the Speaker, who is an ex officio member.
Pursuant to Article 185 of the Constitution of Kenya, 2010:
(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.
POWERS TO SUMMON WITNESS:
Pursuant to Article 195 of the Constitution of Kenya:-
(1) A county assembly or any of its committees has power to summon any person to appear before it for the purpose of giving evidence or providing information.
(2) For the purposes of clause (1), an assembly has the same powers as the High Court to—
(a) enforce the attendance of witnesses and examining them on oath, affirmation or otherwise;
(b) compel the production of documents; and
(c) issue a commission or request to examine witnesses abroad.