Who decides the final ballot text when the initiative is put to a vote?

Kenya, IEBC, Elections Act 24 of 2011 (Revised Edition 2019), accessed 22 August 2022 

Article 49: 

(2) Where an issue to be decided in a referendum has been referred to the Commission under subsection (1), the Commission shall frame the question or questions to be determined during the referendum.

(3) The Commission shall, in consultation with the Speaker of the relevant House, lay the question referred to in subsection (2) before the House for approval by resolution.

(4) The National Assembly may approve one or more questions for a referendum.