All sellers of liquors or wines to the division shall furnish to the director or other executive officer of said division, upon demand of such officer, a sworn statement showing the prices at which the same kind and grade of liquors or wines are currently sold to the official buying agencies of all states whose border touches the border of the state of Idaho; and it shall be the duty of the director or other executive officer of said division, to keep such listed prices on file in his office and to permit the examination of the same at all times during regular office hours by any person desiring to inspect the same.