http://www.opsi.gov.uk/RevisedStatutes/Acts/ukpga/1963/cukpga_19630054_en_1
Kenya Independence Act 1963
1963 CHAPTER 54
An Act to make provision for, and in connection with, the attainment by Kenya of fully responsible status within the Commonwealth, including provision for terminating the giving of financial and other assistance to the East African Common Services Organisation under the Colonial Development and Welfare Act 1959.
[3rd December 1963]
.1 Provision for fully responsible status of Kenya.(1)On and after 12th December 1963 (in this Act referred to as the appointed day) Her Majestys Government in the United Kingdom shall have no responsibility for the government of Kenya or any part thereof..
(2)No Act of the Parliament of the United Kingdom passed on or after the appointed day shall extend, or be deemed to extend, to Kenya, or any part of Kenya, as part of the law thereof; and on and after that day the provisions of Schedule 1 to this Act shall have effect with respect to legislative powers in Kenya..
(3)In this Act Kenya includes the territories comprised immediately before the appointed day in the Kenya Protectorate..
Thanks, hadn’t seen it before, but still don’t see those 3 magic words “Republic of Kenya.” :(