12.7  Interest on bonds.
  When interest on any bonds of the state becomes due, the treasurer shall provide funds for the payment thereof on the day and at the place where payable; and persons holding such bonds are required to present the same at such place within ten days from such day, at the expiration of which time the funds remaining unexpended and vouchers for interest paid shall be returned to the treasury.
[C73, §82; C97, §108; C24, 27, 31, 35, 39, §138; C46, 50, 54, 58, 62, 66, 71, 73, 75, 77, 79, 81, §12.7]
Deposits in general, §12C.1