When interest is due and allowed by the treasurer of state on the redemption of state warrants, or by the county treasurer on the redemption of county warrants, the same shall be receipted on the warrants by the holder, with the date of the payment, and no interest shall be allowed by the department of administrative services or board of supervisors except such as is thus receipted.
C93, §12B.2
Analogous section, §74.7