Idaho Code § 21-146
All funds, appropriations and other moneys from whatever source, now or hereafter appropriated and/or provided by law for the administration of the functions, powers and duties of the department of aeronautics and/or the board including those of the state aeronautics fund, shall be and the same hereby are, respectively, transferred, made available to and placed under the control of the Idaho transportation board and appropriated for expenditure by it and shall be paid out by the state treasurer in the manner provided by the constitution and the laws of the state of Idaho. The said "state aeronautics fund" shall be in all respects the same "state aeronautics fund" as hereafter provided by law, and which said fund shall be and remain in full force and effect.
Idaho Code § 21-146