The governor shall be the chief budget officer of the state whose duty it shall be to carry out the provisions of this chapter. The division of financial management shall have such duties as may be prescribed by law, and such other duties as may be designated by the governor. No increase in compensation paid to any employee of the state of Idaho, except officers and employees of the legislative and judicial departments, shall be effective until approved by the administrator of the division of financial management; provided, however, that any decision of the administrator of the division may be rejected and changed by the state board of examiners.