453A.9  Change of design.
  The design of the stamps used may be changed as often as the director deems necessary for the best enforcement of the provisions of this division.
[C39, §1556.04; C46, 50, 54, 58, 62, 66, 71, 73, 75, 77, 79, 81, §98.9]
C93, §453A.9